The cathode of a lead storage battery is made up of – (1) Zinc (2) Lead (3) Lead oxide (4) Manganese dioxide

The cathode of a lead storage battery is made up of – (1) Zinc (2) Lead (3) Lead oxide (4) Manganese dioxide
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(2) Lead Explanation: Lead-acid batteries, invented in 1859 by French physicist Gaston Plante, are the oldest type of rechargeable battery. Despite having a very low energy-to-weight ratio and a low energy-to-volume ratio, their ability to supply high surge currents means that the cells maintain a relatively large power weight ratio. These features, along with their low cost, make them attractive for use in motor vehicles to provide the high current required by automobile starter motors.
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The cathode of a lead storage battery is made up of (1) Zinc (2) Lead (3) Lead oxide (4) Manganese dioxide

Description : The cathode of a lead storage battery is made up of (1) Zinc (2) Lead (3) Lead oxide (4) Manganese dioxide

Last Answer : Lead

The illustrated lead acid battery is about to be placed in service. The negitive plate, labeled 'E', is made of_______. EL-0031 A. sponge lead (Pb) B. lead peroxide (PbO2) C. lead sulfate (PbSO4) D. zinc oxide (ZnO2)

Description : The illustrated lead acid battery is about to be placed in service. The negitive plate, labeled 'E', is made of_______. EL-0031 A. sponge lead (Pb) B. lead peroxide (PbO2) C. lead sulfate (PbSO4) D. zinc oxide (ZnO2)

Last Answer : Answer: A

The plates of a NiCad storage battery are made of ________. A. potassium hydroxide with a small amount of sulfuric acid B. lead and lead peroxide C. silver oxide and lead sulfate D. combinations of nickel powder and nickel & cadmium salts

Description : The plates of a NiCad storage battery are made of ________. A. potassium hydroxide with a small amount of sulfuric acid B. lead and lead peroxide C. silver oxide and lead sulfate D. combinations of nickel powder and nickel & cadmium salts

Last Answer : Answer: D

The electrolyte used in a nickel-cadmium battery is distilled water and ______________. A. diluted sulfuric acid B. potassium hydroxide C. lead sulfate D. zinc oxide

Description : The electrolyte used in a nickel-cadmium battery is distilled water and ______________. A. diluted sulfuric acid B. potassium hydroxide C. lead sulfate D. zinc oxide

Last Answer : Answer: B

Asbestos is formed of : (1) Calcium and Magnesium (2) Copper, Zinc and Manganese (3) Lead and Iron (4) Calcium and Zinc

Description : Asbestos is formed of : (1) Calcium and Magnesium (2) Copper, Zinc and Manganese (3) Lead and Iron (4) Calcium and Zinc

Last Answer : (1) Calcium and Magnesium Explanation: Pure and simple, asbestos is a group of naturally occurring minerals. It is composed of calcium and magnesium silicate. Asbestos occurs as veins in rocks and is mined from the ground, similar to coal.

Asbestos is formed of : (1) Calcium and Magnesium (2) Copper, Zinc and Manganese (3) Lead and Iron (4) Calcium and Zinc

Description : Asbestos is formed of : (1) Calcium and Magnesium (2) Copper, Zinc and Manganese (3) Lead and Iron (4) Calcium and Zinc

Last Answer : Calcium and Magnesium

When mixing electrolyte for a lead-acid storage battery, you should pour the ___________. A. distilled water into the acid in a zinc-plated container B. distilled water into the acid in a glass container C. acid into the distilled water in a zinc-plated container D. acid into distilled water in a glass container

Description : When mixing electrolyte for a lead-acid storage battery, you should pour the ___________. A. distilled water into the acid in a zinc-plated container B. distilled water into the acid in a glass ... into the distilled water in a zinc-plated container D. acid into distilled water in a glass container

Last Answer : Answer: D

The storage battery generally used in electric power station is A. Nickel-cadmium battery B. Zinc carbon battery C. Lead-acid battery D. None of the above

Description : The storage battery generally used in electric power station is A. Nickel-cadmium battery B. Zinc carbon battery C. Lead-acid battery D. None of the above

Last Answer : C. Lead-acid battery

The storage battery generally used in electric power station is A] nickel-cadmium battery B] zinc-carbon battery C] lead-acid battery D] None of the above

Description : The storage battery generally used in electric power station is A] nickel-cadmium battery B] zinc-carbon battery C] lead-acid battery D] None of the above

Last Answer : C] lead-acid battery

Pick out the wrong statement. (A) Hard glass which is used for making laboratory glass wares is a mixture of sodium borosilicate and aluminium borosilicate (B) Glass is decolorized during its manufacture by adding antimony oxide, manganese dioxide or arsenic oxide (C) Ordinary glass is represented chemically by Na2O . CaO . 6SiO2 (D) Red color is imparted to glass by addition of arsenic oxide

Description : Pick out the wrong statement. (A) Hard glass which is used for making laboratory glass wares is a mixture of sodium borosilicate and aluminium borosilicate (B) Glass is decolorized during its manufacture by ... Na2O . CaO . 6SiO2 (D) Red color is imparted to glass by addition of arsenic oxide

Last Answer : (D) Red color is imparted to glass by addition of arsenic oxide

Local action in a dry-cell, or lead-acid storage battery is the process whereby ________________. A. hydrogen gas is liberated B. the electrolyte compensates for overcharging C. potassium hydroxide absorbs carbon dioxide from the air D. the battery becomes discharged without being connected to a load

Description : Local action in a dry-cell, or lead-acid storage battery is the process whereby ________________. A. hydrogen gas is liberated B. the electrolyte compensates for overcharging C. potassium hydroxide ... carbon dioxide from the air D. the battery becomes discharged without being connected to a load

Last Answer : Answer: D

Putty is made up of a) White lead and turpentine b) Powdered chalk and raw linseed oil* c) Red lead and linseed oil d) Zinc oxide and boiled linseed oil

Description : Putty is made up of a) White lead and turpentine b) Powdered chalk and raw linseed oil* c) Red lead and linseed oil d) Zinc oxide and boiled linseed oil

Last Answer : b) Powdered chalk and raw linseed oil*

The chemical name of rat poison is - (1) zinc oxide (2) potassium cyanide (3) lead nitrate (4) zinc phosphide

Description : The chemical name of rat poison is - (1) zinc oxide (2) potassium cyanide (3) lead nitrate (4) zinc phosphide

Last Answer : (4) zinc phosphide Explanation: Zinc phosphide is used as a rodenticide. A mixture of food and zinc phosphide is left where the rodents can eat it. The acid in the digestive system of the rodent reacts with the phosphide to generate the toxic phosphine gas.

The chemical name of rat poison is (1) zinc oxide (2) potassium cyanide (3) lead nitrate (4) zinc phosphide

Description : The chemical name of rat poison is (1) zinc oxide (2) potassium cyanide (3) lead nitrate (4) zinc phosphide

Last Answer : zinc phosphide

What is used as a photocatalyst? a) Titanium dioxide b) Lead chromate c) Cobalt pigments d) Iron oxide

Description : What is used as a photocatalyst? a) Titanium dioxide b) Lead chromate c) Cobalt pigments d) Iron oxide

Last Answer : a) Titanium dioxide

In the common dry cell, the zinc atoms are: w) reduced at the cathode x) oxidized at the cathode y) oxidized at the anode z) reduced at the anode

Description : In the common dry cell, the zinc atoms are: w) reduced at the cathode x) oxidized at the cathode y) oxidized at the anode z) reduced at the anode

Last Answer : ANSWER: Y -- OXIDIZED AT THE ANODE

What is used in storage batteries? (1) Copper (2) Tin (3) Lead (4) Zinc

Description : What is used in storage batteries? (1) Copper (2) Tin (3) Lead (4) Zinc

Last Answer : (3) Lead Explanation: The electrodes of the cells in a storage battery consist of lead grids. The openings of the anodic grid is filled with spongy (porous) lead. The openings of the cathodic grid ... ' storage batteries, can store a lot of charge and provide high current for short periods of time.

The metal used in storage batteries- (1) Iron (2) Copper (3) Lead (4) Zinc

Description : The metal used in storage batteries- (1) Iron (2) Copper (3) Lead (4) Zinc

Last Answer : (3) Lead Explanation: Commercially available batteries use a variety of metals and electrolytes. Anodes can be made of zinc, aluminum, lithium, cadmium, iron, metallic lead, lanthanide, or graphite

What is used in storage batteries? (1) Copper (2) Tin (3) Lead (4) Zinc

Description : What is used in storage batteries? (1) Copper (2) Tin (3) Lead (4) Zinc

Last Answer : Lead

Which of the following is used for wrapping of fractured bones? (1) White cement (2) White lead (3) Zinc oxide (4) Plaster of Paris

Description : Which of the following is used for wrapping of fractured bones? (1) White cement (2) White lead (3) Zinc oxide (4) Plaster of Paris

Last Answer : (4) Plaster of Paris Explanation: Plaster of Paris is a plaster made by calcining gypsum. It can be used to impregnate gauze bandages to make a sculpting material called modroc. It is used ... (and sometimes still is) used to make classic plaster orthopedic casts to protect limbs with broken bones.

Litharge is (A) Lead oxide (B) Zinc oxide (C) Zinc sulphide (D) Cellulosic photographic material

Description : Litharge is (A) Lead oxide (B) Zinc oxide (C) Zinc sulphide (D) Cellulosic photographic material

Last Answer : (A) Lead oxide

Identify the correct statement. (A) Sphlerite is zinc oxide (B) The first law of the thermodynamics is stated as δE = δQ - δW (C) Lead can be produced in a blast furnace (D) T. ferrooxidans is a fungus that can be used for leaching chalcopyrite

Description : Identify the correct statement. (A) Sphlerite is zinc oxide (B) The first law of the thermodynamics is stated as δE = δQ - δW (C) Lead can be produced in a blast furnace (D) T. ferrooxidans is a fungus that can be used for leaching chalcopyrite

Last Answer : Option A

The pigment used in paints for corrosive resistance, is (A) White lead (B) Ferrous oxide (C) Zinc white (D) Red lead

Description : The pigment used in paints for corrosive resistance, is (A) White lead (B) Ferrous oxide (C) Zinc white (D) Red lead

Last Answer : Answer: Option D

Which of the following is used for wrapping of fractured bones? (1) White cement (2) White lead (3) Zinc oxide (4) Plaster of Paris

Description : Which of the following is used for wrapping of fractured bones? (1) White cement (2) White lead (3) Zinc oxide (4) Plaster of Paris

Last Answer :  Plaster of Paris

Magnalium is an alloy of (1) Aluminium and Magnesium (2) Magnesium and Tin (3) Aluminium and Zinc (4) Manganese and Magnesium

Description : Magnalium is an alloy of (1) Aluminium and Magnesium (2) Magnesium and Tin (3) Aluminium and Zinc (4) Manganese and Magnesium

Last Answer : Aluminium and Magnesium

Adding which substance gives blue colour to glass? (1) Manganese oxide (2) Cobalt oxide (3) Chromium oxide (4) Iron oxide

Description : Adding which substance gives blue colour to glass? (1) Manganese oxide (2) Cobalt oxide (3) Chromium oxide (4) Iron oxide

Last Answer : (2) Cobalt oxide Explanation: Cobalt is the strongest of the coloring oxides, giving a range of blues in most glasses. It is such a powerful colorant that only a few parts per million is needed to produce a light blue color such as the shade used for certain bottled waters.

Which of the following is an yellow pigment? (A) Titanium dioxide (B) Ferrous sulphate (C) Lead chromates (D) Zinc sulphides

Description : Which of the following is an yellow pigment? (A) Titanium dioxide (B) Ferrous sulphate (C) Lead chromates (D) Zinc sulphides

Last Answer : (C) Lead chromates

Both rubies and sapphires contain (a) silicon dioxide (b) lead tetroxide (c) aluminium oxide (d) boron nitride

Description : Both rubies and sapphires contain (a) silicon dioxide (b) lead tetroxide (c) aluminium oxide (d) boron nitride

Last Answer : Ans:(c)

Inverter cell anode and cathode of the…………. cell is used for vehicle (a) Copper electrode zinc (b)Zinc copper (c) Aluminium zinc (d)Nickel Cobalt

Description : Inverter cell anode and cathode of the…………. cell is used for vehicle (a) Copper electrode zinc (b)Zinc copper (c) Aluminium zinc (d)Nickel Cobalt

Last Answer : (a) Copper electrode zinc

When a lead storage battery is discharged - (1) SO2 is evolved (2) Lead sulphate is consumed (3) Lead is formed (4) Sulphuric acid is consumed

Description : When a lead storage battery is discharged - (1) SO2 is evolved (2) Lead sulphate is consumed (3) Lead is formed (4) Sulphuric acid is consumed

Last Answer : (4) Sulphuric acid is consumed Explanation: Lead storage battery was invented by French physicist Gaston Plante in 1859. In the discharged state both the positive and negative plates become lead sulphate and the electrolyte loses much of its dissolved sulphuric acid and becomes primarily water.

Which of the following acids serves as an electrolyte in a lead storage battery? (1) Sulphuric acid (2) Lactic acid (3) Hydrochloric acid (4) Nitric acid

Description : Which of the following acids serves as an electrolyte in a lead storage battery? (1) Sulphuric acid (2) Lactic acid (3) Hydrochloric acid (4) Nitric acid

Last Answer : (1) Sulphuric acid Explanation: Dilute sulfuric acid (H2SO4) serves as the electrolyte in a lead-acid battery. Dilute sulfuric acid used for lead acid battery has ratio (to water) of 3:1 other components of the battery include: Lead peroxide (PbO2) and Sponge lead (Pb).

Describe the construction & working of a Lead storage battery.

Description : Describe the construction & working of a Lead storage battery.

Last Answer : Ans : Lead Storage Battery : Lead storage battery is used in automobiles. It is a secondary battery & is a reversible cell which can be restored to it original condition. The battery could be ... are made up of red lead dioxide(PbO2). The electrolyte is dilute sulphuric acid having concentration.

Which acid is used in Lead storage battery? (1) Sulphuric acid (2) Nitric acid (3) Hydrochloric acid (4) Acetic acid

Description : Which acid is used in Lead storage battery? (1) Sulphuric acid (2) Nitric acid (3) Hydrochloric acid (4) Acetic acid

Last Answer : Sulphuric acid

Which of the following acids serves as an electrolyte in a lead storage battery? (1) Sulphuric acid (2) Lactic acid (3) Hydrochloric acid (4) Nitric acid

Description : Which of the following acids serves as an electrolyte in a lead storage battery? (1) Sulphuric acid (2) Lactic acid (3) Hydrochloric acid (4) Nitric acid

Last Answer : Sulphuric acid

When a lead storage battery is discharged, (1) SO2 is evolved (2) Lead sulphate is consumed (3) Lead is formed (4) Sulphuric acid is consumed

Description : When a lead storage battery is discharged, (1) SO2 is evolved (2) Lead sulphate is consumed (3) Lead is formed (4) Sulphuric acid is consumed 

Last Answer : Sulphuric acid is consumed

(4) Decomposition of manganese dioxide Explanation: One of the two chemical methods starts from natural manganese dioxide and converts it using dinitrogen tetroxide and water to manganese nitrate solution. Evaporation of the water leaves the crystalline nitrate salt. At temperatures of 400°C, the salt decomposes, releasing N2O4 and leaving a residue of purified manganese dioxide.

Description : (4) Decomposition of manganese dioxide Explanation: One of the two chemical methods starts from natural manganese dioxide and converts it using dinitrogen tetroxide and water to manganese nitrate ... 400°C, the salt decomposes, releasing N2O4 and leaving a residue of purified manganese dioxide.

Last Answer : The mass number of a nucleus is - (1) always less than its atomic number (2) the sum of the number of protons and neutrons present in the nucleus (3) always more than the atomic weight (4) a fraction

Which of the following is not a method of preparing oxygen? (1) Electrolysis of water (2) Fractional distillation of liquid air (3) Decomposition of potassium permanganate (4) Decomposition of manganese dioxide

Description : Which of the following is not a method of preparing oxygen? (1) Electrolysis of water (2) Fractional distillation of liquid air (3) Decomposition of potassium permanganate (4) Decomposition of manganese dioxide

Last Answer : Decomposition of manganese dioxide

According to Coast Guard Regulations (46 CFR), which of the following is an acceptable lining for battery trays containing alkaline batteries? A. Brass B. Lead C. Steel D. Zinc

Description : According to Coast Guard Regulations (46 CFR), which of the following is an acceptable lining for battery trays containing alkaline batteries? A. Brass B. Lead C. Steel D. Zinc

Last Answer : Answer: C

Which of the substances listed should be applied to battery terminals to help prevent corrosion? A. Zinc chromate B. Naval jelly C. Lead peroxide D. Petroleum jelly

Description : Which of the substances listed should be applied to battery terminals to help prevent corrosion? A. Zinc chromate B. Naval jelly C. Lead peroxide D. Petroleum jelly

Last Answer : Answer: D

If the illustrated device is fully discharged, what will be the result? EL-0061 A. The battery will be short circuited because the mud space will be filled with lead sulfate B. The electrolyte will be maximum sulfuric acid minimum water C. The electrolyte will be maximum water minimum sulfuric acid. D. The plates will be maximum lead oxide and sponge lead minimum lead sulfate.

Description : If the illustrated device is fully discharged, what will be the result? EL-0061 A. The battery will be short circuited because the mud space will be filled with lead sulfate B. The electrolyte ... minimum sulfuric acid. D. The plates will be maximum lead oxide and sponge lead minimum lead sulfate.

Last Answer : Answer: C

Which of the following battery is used for aircraft? A. Lead acid battery B. Nickel-iron battery C. Dry cell battery D. Silver oxide battery

Description : Which of the following battery is used for aircraft? A. Lead acid battery B. Nickel-iron battery C. Dry cell battery D. Silver oxide battery

Last Answer : B. Nickel-iron battery

Khetri project in Rajasthan has been set up for producing (a) Zinc (b) Manganese (c) Copper (d) Salt

Description : Khetri project in Rajasthan has been set up for producing (a) Zinc (b) Manganese (c) Copper (d) Salt

Last Answer : Ans: (c)

Insulin exists in polymeric forms, for polymerization it requires (A) Calcium (B) Magnesium (C) Manganese (D) Zinc

Description : Insulin exists in polymeric forms, for polymerization it requires (A) Calcium (B) Magnesium (C) Manganese (D) Zinc

Last Answer : Answer : D

Hypochromic microcytic anaemia can occur in (A) Zinc (B) Copper (C) Manganese (D) None of these

Description : Hypochromic microcytic anaemia can occur in (A) Zinc (B) Copper (C) Manganese (D) None of these

Last Answer : Answer : B

Hypogonadism can occur in deficiency of (A) Copper (B) Chromium (C) Zinc (D) Manganese

Description : Hypogonadism can occur in deficiency of (A) Copper (B) Chromium (C) Zinc (D) Manganese

Last Answer : Answer : C

Psychotic symptoms and parkinsonism like symptoms develop due to inhalation poisoning of (A) Manganese (B) Phosphorous (C) Magnesium (D) Zinc

Description : Psychotic symptoms and parkinsonism like symptoms develop due to inhalation poisoning of (A) Manganese (B) Phosphorous (C) Magnesium (D) Zinc

Last Answer : Answer : A

Hypogonadism develops due to deficiency of (A) Sulphur (B) Cobalt (C) Zinc (D) Manganese

Description : Hypogonadism develops due to deficiency of (A) Sulphur (B) Cobalt (C) Zinc (D) Manganese

Last Answer : Answer : C

Acrodermatitis enteropathica is due to defective absorption of (A) Manganese (B) Molybdenum (C) Iodine (D) Zinc

Description : Acrodermatitis enteropathica is due to defective absorption of (A) Manganese (B) Molybdenum (C) Iodine (D) Zinc

Last Answer : Answer : D

Metalloenzyme-retinene for polymerization of insulin is (A) Copper (B) Zinc (C) Cobalt (D) Manganese

Description : Metalloenzyme-retinene for polymerization of insulin is (A) Copper (B) Zinc (C) Cobalt (D) Manganese

Last Answer : Answer : B

Mitochondrial pyruvate carboxylase contains (A) Zinc (B) Zinc (C) Manganese (D) Magnesium

Description : Mitochondrial pyruvate carboxylase contains (A) Zinc (B) Zinc (C) Manganese (D) Magnesium

Last Answer : Answer : C