Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the (A) Fertiliser manufacture (B) Car battery solution (C) Synthesis of oleum (D) Water treatment

Sulphuric acid solution having a specific gravity of 1.20 at room
temperature is used mainly for the
(A) Fertiliser manufacture
(B) Car battery solution
(C) Synthesis of oleum
(D) Water treatment
by

1 Answer

Answer :

(B) Car battery solution
by

Related questions

Pick out the wrong statement. (A) Chamber process of sulphuric acid manufacture produces pure acid of concentration < 80% (B) Contact process of sulphuric acid manufacture produces pure acid of concentration ≥ 98% (C) 75% oleum can be produced by distillation of 20% oleum (D) Contact process of sulphuric acid manufacture uses nickel as the catalyst

Description : Pick out the wrong statement. (A) Chamber process of sulphuric acid manufacture produces pure acid of concentration < 80% (B) Contact process of sulphuric acid manufacture produces pure acid of ... of 20% oleum (D) Contact process of sulphuric acid manufacture uses nickel as the catalyst

Last Answer : (D) Contact process of sulphuric acid manufacture uses nickel as the catalyst

. Sulphuric acid is mainly used in the __________ industry. (A) Fertiliser (B) Steel (C) Pape(D) Paint

Description : . Sulphuric acid is mainly used in the __________ industry. (A) Fertiliser (B) Steel (C) Pap (D) Paint

Last Answer : (A) Fertiliser

Pick out the wrong statement. (A) Conversion of SO2 to SO3 in Monsanto-4 pass converter is about 98% (B) The chemical formula of oleum is H2S2O7 , which is formed by saturating sulphuric acid with sulphur trioxide (C) Vitriol oil is nothing but technical sulphuric acid (D) Decomposition of sulphuric acid on heating does not start before its boiling

Description : Pick out the wrong statement. (A) Conversion of SO2 to SO3 in Monsanto-4 pass converter is about 98% (B) The chemical formula of oleum is H2S2O7 , which is formed by saturating ... but technical sulphuric acid (D) Decomposition of sulphuric acid on heating does not start before its boiling

Last Answer : (D) Decomposition of sulphuric acid on heating does not start before its boiling

Sulphuric acid saturated with SO3 is called (A) Concentrated H2SO4 (B) Sulphurous acid (C) Oleum(D) None of these

Description : Sulphuric acid saturated with SO3 is called (A) Concentrated H2SO4 (B) Sulphurous acid (C) Oleum (D) None of these

Last Answer : (C) Oleum

Sulphuric acid completely saturated with sulphur trioxide is called (A) Concentrated sulphuric acid (B) Oleum (C) Sulphurous acid (D) Dilute sulphuric acid

Description : Sulphuric acid completely saturated with sulphur trioxide is called (A) Concentrated sulphuric acid (B) Oleum (C) Sulphurous acid (D) Dilute sulphuric acid

Last Answer : (A) Concentrated sulphuric acid

Fertiliser plant making ammonium sulphate employing gypsum￾ammonia reaction (usual practice is to use ammonia and sulphuric acid) is located in India at (A) Rourkela (under SAIL) (B) Bokaro (under SAIL) (C) Sindri (under FCI) (D) Baroda (under G.S.F.C.)

Description : Fertiliser plant making ammonium sulphate employing gypsum￾ammonia reaction (usual practice is to use ammonia and sulphuric acid) is located in India at (A) Rourkela (under SAIL) (B) Bokaro (under SAIL) (C) Sindri (under FCI) (D) Baroda (under G.S.F.C.)

Last Answer : (C) Sindri (under FCI)

A lead-acid battery may become hotter than normal during a charge if the _________. A. battery has a shorted cell B. charging voltage is too low C. specific gravity is too high D. battery room door is secured

Description : A lead-acid battery may become hotter than normal during a charge if the _________. A. battery has a shorted cell B. charging voltage is too low C. specific gravity is too high D. battery room door is secured

Last Answer : Answer: A

The catalyst used in the manufacture of DDT is (A) Alumina (B) Silica (C) 20% oleum (D) Aluminium chloride

Description : The catalyst used in the manufacture of DDT is (A) Alumina (B) Silica (C) 20% oleum (D) Aluminium chloride

Last Answer : (C) 20% oleum

The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is (A) Dilute H2SO4 (B) Oleum (C) Ultraviolet light (D) None of these

Description : The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is (A) Dilute H2SO4 (B) Oleum (C) Ultraviolet light (D) None of these

Last Answer : (B) Oleum

During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as (A) It is very corrosive at elevated temperature (B) Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced) (C) It decomposes on further increasing the temperature (D) None of these

Description : During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as (A) It is very corrosive at elevated temperature (B) Its viscosity is not reduced on ... be further reduced) (C) It decomposes on further increasing the temperature (D) None of these

Last Answer : (B) Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced)

When you check the specific gravity of the battery electrolyte with a hydrometer, it should be kept in mind that ____________. A. the battery is fully charged when the indicator floats low in the electrolyte B. any water that has been previously added to the cells will dilute the solution and give a false reading C. a hydrometer reading is inaccurate if taken immediately after water is added to the cell D. temperature has no effect on hydrometer readings

Description : When you check the specific gravity of the battery electrolyte with a hydrometer, it should be kept in mind that ____________. A. the battery is fully charged when the indicator floats low in ... taken immediately after water is added to the cell D. temperature has no effect on hydrometer readings

Last Answer : Answer: C

If violent gassing occurs when a lead-acid storage battery is first placed on charge, the _____________. A. battery must be given an emergency charge B. charging rate is too low C. charging rate is too high D. specific gravity of the electrolyte solution is too low

Description : If violent gassing occurs when a lead-acid storage battery is first placed on charge, the _____________. A. battery must be given an emergency charge B. charging rate is too low C. charging rate is too high D. specific gravity of the electrolyte solution is too low

Last Answer : Answer: C

The specific gravity of the electrolyte solution in a lead acid battery _____________. A. is not effected during charging B. remains the same during discharge C. would read close to 1.830 when discharged D. gives an indication of the state of charge of the battery

Description : The specific gravity of the electrolyte solution in a lead acid battery _____________. A. is not effected during charging B. remains the same during discharge C. would read close to 1.830 when discharged D. gives an indication of the state of charge of the battery

Last Answer : Answer: D

Pick out the wrong statement. (A) Dehydration of ammonium carbamate to produce urea is endothermic (B) Direct use of liquid ammonia as a fertiliser for a tropical country like India is suitable (C) Gypsum (CaSO4 . 2H2O) is obtained as a by-product in the wet process for manufacture of ortho-phosphoric acid (D) Phosphate rock when reacted with dilute H2SO4 produces superphosphate

Description : Pick out the wrong statement. (A) Dehydration of ammonium carbamate to produce urea is endothermic (B) Direct use of liquid ammonia as a fertiliser for a tropical country like India ... manufacture of ortho-phosphoric acid (D) Phosphate rock when reacted with dilute H2SO4 produces superphosphate

Last Answer : (B) Direct use of liquid ammonia as a fertiliser for a tropical country like India is suitable

In the Contact process of sulphuric acid manufacture, 98% acid cooler is made of (A) Stainless steel (B) Cast iron (C) Lead lined steel (D) Rubber lined steel

Description : In the Contact process of sulphuric acid manufacture, 98% acid cooler is made of (A) Stainless steel (B) Cast iron (C) Lead lined steel (D) Rubber lined steel

Last Answer : (B) Cast iron

Pick out the wrong statement. (A) 'Green acid' is the other name of phosphoric acid produced by the reaction of phosphate rock & sulphuric acid (B) Chemically unreactive nature of red phosphorous is due to its polymeric structure (C) Red phosphorous is the most reactive allotropic form of phosphorous (D) Red phosphorous, which is used in the manufacture of safety matches, is converted into white phosphorous by vaporisation followed by condensation

Description : Pick out the wrong statement. (A) 'Green acid' is the other name of phosphoric acid produced by the reaction of phosphate rock & sulphuric acid (B) Chemically unreactive nature of ... in the manufacture of safety matches, is converted into white phosphorous by vaporisation followed by condensation

Last Answer : (C) Red phosphorous is the most reactive allotropic form of phosphorous

In chamber process of sulphuric acid manufacture in industry, the gas phase oxidation of SO2 to SO3 is accomplished by a __________ reaction. (A) Non-catalytic homogeneous (B) Non-catalytic heterogeneous (C) Catalytic homogenous (D) Catalytic heterogeneous

Description : In chamber process of sulphuric acid manufacture in industry, the gas phase oxidation of SO2 to SO3 is accomplished by a __________ reaction. (A) Non-catalytic homogeneous (B) Non-catalytic heterogeneous (C) Catalytic homogenous (D) Catalytic heterogeneous

Last Answer : (C) Catalytic homogenous

Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively (A) V2O5 & Cr2O3 . (B) Oxides of nitrogen & Cr2O3 (C) V2O5 on a porous carrier & oxides of nitrogen (D) Oxides of nitrogen & V2O5 on a porous carrier

Description : Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively (A) V2O5 & Cr2O3 . (B) Oxides of nitrogen & Cr2O3 (C) V2O5 on a porous carrier & oxides of nitrogen (D) Oxides of nitrogen & V2O5 on a porous carrier

Last Answer : (D) Oxides of nitrogen & V2O5 on a porous carrier

Nitro-glycerine absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as controlled explosive called dynamite. The raw material used for its manufacture are glycerine, nitric acid and (A) Sulphuric acid (B) Phosphoric acid (C) Hydrochloric acid (D) Hydrofluoric acid

Description : Nitro-glycerine absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as controlled explosive called dynamite. The raw material used for its manufacture are glycerine, nitric acid and (A) Sulphuric acid (B) Phosphoric acid (C) Hydrochloric acid (D) Hydrofluoric acid

Last Answer : (A) Sulphuric acid

. Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like (A) High cost (B) Fragile nature (C) Easy poiso(D) All (A), (B) and (C)ning tendency

Description : . Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like (A) High cost (B) Fragile nature (C) Easy poisoning tendency (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of (A) Nitric acid (B) Sulphuric acid (C) Ammonium sulphate (D) Hydrochloric acid

Description : Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of (A) Nitric acid (B) Sulphuric acid (C) Ammonium sulphate (D) Hydrochloric acid

Last Answer : (B) Sulphuric acid

Contact process of sulphuric acid manufacture (A) Yields acid of higher concentration than chamber process (B) Yields acids of lower concentration than chamber process (C) Is obsolete (D) Eliminates absorber

Description : Contact process of sulphuric acid manufacture (A) Yields acid of higher concentration than chamber process (B) Yields acids of lower concentration than chamber process (C) Is obsolete (D) Eliminates absorber

Last Answer : (A) Yields acid of higher concentration than chamber process

In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed: (A) Furnace → converter → absorber (B) Furnace → evaporator → absorber (C) Furnace → converter → evaporator (D) Converter → furnace → absorber

Description : In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed: (A) Furnace → converter → absorber (B) Furnace → evaporator → absorber (C) Furnace → converter → evaporator (D) Converter → furnace → absorber

Last Answer : (A) Furnace → converter → absorber

Polythene (low or high density) containers are not corroded by (A) Sulphuric acid (10%) at room temperature (B) Nitric acid (95%) at room temperature (C) Sulphur trioxide at 60°C (D) Any of these

Description : Polythene (low or high density) containers are not corroded by (A) Sulphuric acid (10%) at room temperature (B) Nitric acid (95%) at room temperature (C) Sulphur trioxide at 60°C (D) Any of these

Last Answer : (A) Sulphuric acid (10%) at room temperature

Which of the following represents the corrected specific gravity of a lead acid battery, with a temperature of 90°F, and a hydrometer reading of 1160? A. 1150 B. 1156 C. 1160 D. 1164

Description : Which of the following represents the corrected specific gravity of a lead acid battery, with a temperature of 90°F, and a hydrometer reading of 1160? A. 1150 B. 1156 C. 1160 D. 1164

Last Answer : Answer: D

Which of the listed ranges represents specific gravity corrected for temperature for the electrolyte of a fully charged portable lead-acid battery? A. 1.100 to 1.150 B. 1.180 to 1.200 C. 1.280 to 1.300 D. 1.750 to 2.000

Description : Which of the listed ranges represents specific gravity corrected for temperature for the electrolyte of a fully charged portable lead-acid battery? A. 1.100 to 1.150 B. 1.180 to 1.200 C. 1.280 to 1.300 D. 1.750 to 2.000

Last Answer : Answer: C

When troubleshooting a lead-acid storage battery, a weak or dead cell is best detected by _________________. A. measuring and comparing all cells' specific gravity B. taking an open circuit voltage test of individual cells C. visually inspecting the electrolyte levels of each cell D. taking each cell's temperature with a calibrated mercury thermometer

Description : When troubleshooting a lead-acid storage battery, a weak or dead cell is best detected by _________________. A. measuring and comparing all cells' specific gravity B. taking an open circuit ... electrolyte levels of each cell D. taking each cell's temperature with a calibrated mercury thermometer

Last Answer : Answer: A

When correcting specific gravity readings of a lead-acid battery for existing temperature conditions, you should ______________. A. add 10 points for each 4° above 80°F B. subtract 10 points for each 4° above 80°F C. add 4 points for each 10° above 80°F D. add 4 points for each 10° below 80°F

Description : When correcting specific gravity readings of a lead-acid battery for existing temperature conditions, you should ______________. A. add 10 points for each 4° above 80°F B. subtract 10 points for each 4° above 80°F C. add 4 points for each 10° above 80°F D. add 4 points for each 10° below 80°F

Last Answer : Answer: C

A lead-acid battery is considered fully charged when the ______________. A. electrolyte gasses freely B. battery charger ammeter indicates a positive reading C. terminal voltage reaches a constant value at a given temperature D. specific gravity of all cells reaches the correct value and no longer increases over a period of 1 to 4 hours

Description : A lead-acid battery is considered fully charged when the ______________. A. electrolyte gasses freely B. battery charger ammeter indicates a positive reading C. terminal voltage reaches a constant value at a ... cells reaches the correct value and no longer increases over a period of 1 to 4 hours

Last Answer : Answer: D

Hydrogen gas is not produced commercially (for nitrogenous fertiliser manufacture) by (A) Iron-steam reaction (B) Electrolysis of water (C) Steam reforming of naphtha (D) Its cryogenic separation from coke oven gas

Description : Hydrogen gas is not produced commercially (for nitrogenous fertiliser manufacture) by (A) Iron-steam reaction (B) Electrolysis of water (C) Steam reforming of naphtha (D) Its cryogenic separation from coke oven gas

Last Answer : (A) Iron-steam reaction

Which of the following is the costliest source of getting hydrogen on commercial scale for the manufacture of nitrogenous fertiliser? (A) Coal gasification (B) Steam reforming of naphtha (C) Electrolysis of water (D) Coke oven gas

Description : Which of the following is the costliest source of getting hydrogen on commercial scale for the manufacture of nitrogenous fertiliser? (A) Coal gasification (B) Steam reforming of naphtha (C) Electrolysis of water (D) Coke oven gas

Last Answer : (C) Electrolysis of water

What happens, when SO2is passed through a solution of H2S in water? (A) Precipitation of sulphur takes place (B) H2SO3is formed (C) Oleum is formed (D) None of these

Description : What happens, when SO2is passed through a solution of H2S in water? (A) Precipitation of sulphur takes place (B) H2SO3is formed (C) Oleum is formed (D) None of these

Last Answer : (A) Precipitation of sulphur takes place

Pick out the correct statement. (A) Chemical oxygen demand (COD) is a measure of chemically oxidisable organic matter present in water (B) COD is determined by oxidising the organic matter present in water with potassium dichromate in cone, sulphuric acid solution at boiling temperature for specified time (C) COD is related to BOD of a given waste in water but the relationship varies for different wastes. Typically COD of potable water may be 1-2 mg/litre (D) All (A), (B) and (C)

Description : Pick out the correct statement. (A) Chemical oxygen demand (COD) is a measure of chemically oxidisable organic matter present in water (B) COD is determined by oxidising the organic matter present in water with potassium dichromate ... of potable water may be 1-2 mg/litre (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Fertiliser produced during soda ash manufacture by dual process is ammonium (A) Chloride (B) Sulphate (C) Nitrate (D) None of these

Description : Fertiliser produced during soda ash manufacture by dual process is ammonium (A) Chloride (B) Sulphate (C) Nitrate (D) None of these

Last Answer : (A) Chloride

A fertiliser plant is classified as a gas based fertiliser plant, when it uses__________ gas as a source of hydrogen for the manufacture of ammonia.(A) Coke oven(B) Producer(C) Natural(D) Coal

Description : A fertiliser plant is classified as a gas based fertiliser plant, when it uses__________ gas as a source of hydrogen for the manufacture of ammonia. (A) Coke oven (B) Producer (C) Natural (D) Coal

Last Answer : (C) Natural

Ammonium nitrate (is mixed with limestone) is not used as fertiliser as such, because (A) It is hygroscopic and explosive in nature (B) It is highly acidic in nature (C) It is a liquid at room temperature (D) Its nitrogen content is very less

Description : Ammonium nitrate (is mixed with limestone) is not used as fertiliser as such, because (A) It is hygroscopic and explosive in nature (B) It is highly acidic in nature (C) It is a liquid at room temperature (D) Its nitrogen content is very less

Last Answer : (A) It is hygroscopic and explosive in nature

Thorium is mainly used (A) For the manufacture of gas mantles (B) As a fissile fuel in a nuclear reactor (C) In the manufacture of hydrogen bomb (D) In the treatment of cancer

Description : Thorium is mainly used (A) For the manufacture of gas mantles (B) As a fissile fuel in a nuclear reactor (C) In the manufacture of hydrogen bomb (D) In the treatment of cancer

Last Answer : (A) For the manufacture of gas mantles

The catalyst used in the manufacture of sulphuric acid by contact process is `:

Description : The catalyst used in the manufacture of sulphuric acid by contact process is `:

Last Answer : The catalyst used in the manufacture of sulphuric acid by contact process is `: A. `Al_(2)O_(3)` B. `Cr_(2)O_(3)` C. `V_(2)O_(5)` D. `Mn_(3)O_(4)`

The contact process is involved in the manufacture of - (1) Nitric acid (2) Sulphuric acid (3) Ammonia (4) Caustic soda

Description : The contact process is involved in the manufacture of - (1) Nitric acid (2) Sulphuric acid (3) Ammonia (4) Caustic soda

Last Answer : (2) Sulphuric acid Explanation: It is also a central substance in the chemical industry. It is widely produced by contact process. Now days, sulphuric acid is prepared by contact process all over ... process is based upon the catalytic oxidation of sulfur dioxide (SO2) to sulfur trioxide (SO3).

Apply the Physico – Chemical principle in the manufacture of Sulphuric acid by contact process.

Description : Apply the Physico – Chemical principle in the manufacture of Sulphuric acid by contact process. 

Last Answer : Physico-Chemical principles in sulfuric acid production Temperature Sulfur dioxide and oxygen then react as follows: According to the Le Chatelier's principle, a lower temperature should be ... 1 : 1 mixture turns out to give you the best possible overall yield of sulphur trioxide. 

The acid used in a car battery is _____. A. Hydrochloric acid B. Nitric acid C. Sulphuric acid D. Carbonic acid

Description : The acid used in a car battery is _____. A. Hydrochloric acid B. Nitric acid C. Sulphuric acid D. Carbonic acid

Last Answer : ANSWER: C

The acid used in a car battery is _____. A. Hydrochloric acid B. Nitric acid C. Sulphuric acid D. Carbonic acid

Description : The acid used in a car battery is _____. A. Hydrochloric acid B. Nitric acid C. Sulphuric acid D. Carbonic acid

Last Answer : ANSWER: C

The acid used in a car battery is _____. A. Hydrochloric acid B. Nitric acid C. Sulphuric acid D. Carbonic acid

Description : The acid used in a car battery is _____. A. Hydrochloric acid B. Nitric acid C. Sulphuric acid D. Carbonic acid

Last Answer : ANSWER: C

Hydrogen is recovered from coke oven gas on commercial scale (as practised in fertiliser plant at Rourkela) by (A) Adsorption on palladium (B) Cryogenic operations (low temperature cooling) (C) Absorption (using ethanolamine or pyrogallol solution) (D) None of these

Description : Hydrogen is recovered from coke oven gas on commercial scale (as practised in fertiliser plant at Rourkela) by (A) Adsorption on palladium (B) Cryogenic operations (low temperature cooling) (C) Absorption (using ethanolamine or pyrogallol solution) (D) None of these

Last Answer : (B) Cryogenic operations (low temperature cooling)

20% oleum means that in 100 kg oleum, there are 20 kg of (A) SO3 and 80kg of H2SO4 (B) H2SO4 and 80kg of SO3 (C) SO3 for each 100 kg of H2SO4 (D) None of these

Description : 20% oleum means that in 100 kg oleum, there are 20 kg of (A) SO3 and 80kg of H2SO4 (B) H2SO4 and 80kg of SO3 (C) SO3 for each 100 kg of H2SO4 (D) None of these

Last Answer : (A) SO3 and 80kg of H2SO4

Which of the following statements concerning the specific gravity of a battery electrolyte is true? A. The electrolyte becomes less dense when it is cooled. B. The specific gravity reading is lowered when the electrolyte is heated. C. The most accurate hydrometer reading is obtained immediately after water is added. D. The temperature does not affect the specific gravity of the electrolyte.

Description : Which of the following statements concerning the specific gravity of a battery electrolyte is true? A. The electrolyte becomes less dense when it is cooled. B. The specific gravity reading is lowered ... water is added. D. The temperature does not affect the specific gravity of the electrolyte.

Last Answer : Answer: B

Which of the following conditions indicates that a lead-acid battery is being charged too rapidly? A. Sparks occurring at the positive terminal. B. Unusually high electrolyte specific gravity. C. Low plate potentials being developed. D. Excessively high temperatures and gassing rates.

Description : Which of the following conditions indicates that a lead-acid battery is being charged too rapidly? A. Sparks occurring at the positive terminal. B. Unusually high electrolyte specific gravity. C. Low plate potentials being developed. D. Excessively high temperatures and gassing rates.

Last Answer : Answer: D

Violent gassing developed by a lead-acid battery during charging indicates that the ____________. A. plate separators are grounded B. cell voltages are excessive C. specific gravity in insufficient D. charging rate is excessive

Description : Violent gassing developed by a lead-acid battery during charging indicates that the ____________. A. plate separators are grounded B. cell voltages are excessive C. specific gravity in insufficient D. charging rate is excessive

Last Answer : Answer: D

Under which of the following conditions will a lead-acid battery be given a 'test discharge'? A. To determine its capacity. B. Whenever a cell cannot be brought within 10 points of full charge specific gravity. C. When one or more cells is found to have less than normal voltage after an equalizing charge. D. All of the above.

Description : Under which of the following conditions will a lead-acid battery be given a 'test discharge'? A. To determine its capacity. B. Whenever a cell cannot be brought within 10 points of full charge ... cells is found to have less than normal voltage after an equalizing charge. D. All of the above.

Last Answer : Answer: D

Which of the following activities occurs during the charging process of a lead-acid storage battery? A. The specific gravity of the acid increases. B. Both plates change chemically to lead sulfate. C. The specific gravity of the acid decreases. D. Hydrogen gas is absorbed.

Description : Which of the following activities occurs during the charging process of a lead-acid storage battery? A. The specific gravity of the acid increases. B. Both plates change chemically to lead sulfate. C. The specific gravity of the acid decreases. D. Hydrogen gas is absorbed.

Last Answer : Answer: A