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

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

Poison used for killing rats is – (1) Calcium phosphide (Ca3P2) (2) Zinc phosphide (Zn3P2) (3) Magnesium nitride (Mg3N2) (4) Magnesium phosphide (Mg3P2)

Description : Poison used for killing rats is – (1) Calcium phosphide (Ca3P2) (2) Zinc phosphide (Zn3P2) (3) Magnesium nitride (Mg3N2) (4) Magnesium phosphide (Mg3P2)

Last Answer : (2) Zinc phosphide (Zn3P2) Explanation: Zinc phosphide is an inorganic compound that is used in pesticide products as a rodenticide. Formulated as attractive bait, it releases phosphine gas once it is exposed to acid and moisture in the stomach. The phosphine gas is very toxic to all animals.

What is observed when a solution of potassium iodide solution is added to a solution of lead nitrate? Name the type of reaction. Write a balanced chemical equation to represent the above chemical reaction. -Chemistry

Description : What is observed when a solution of potassium iodide solution is added to a solution of lead nitrate? Name the type of reaction. Write a balanced chemical equation to represent the above chemical reaction. -Chemistry

Last Answer : Answer.Yellow precipitate of lead iodide is formed. It is precipitation reaction. Pb( NO3)2 (aq) + 2KI (aq) —-> Pbl2 (s) + 2KNO3 (aq) It is also called double displacement reaction.

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

Which chemical is used for rat poison?

Description : Which chemical is used for rat poison?

Last Answer : Zinc phosphide

Philosopher’s wool contains zinc as its (a) oxide (b) bromide (c) nitrate (d) sulphide

Description : Philosopher’s wool contains zinc as its (a) oxide (b) bromide (c) nitrate (d) sulphide

Last Answer : Ans:(a)

A FDA – approved ingredient for protection against painful sensitivity of the teeth due to cold, heat, acids, sweets or contact is (a) Dicalcium phosphate (b) Sodium lauryl sulfate (c) 5% potassium nitrate (d) Zinc chloride (e) Calcium carbonate

Description : A FDA – approved ingredient for protection against painful sensitivity of the teeth due to cold, heat, acids, sweets or contact is (a) Dicalcium phosphate (b) Sodium lauryl sulfate (c) 5% potassium nitrate (d) Zinc chloride (e) Calcium carbonate

Last Answer : Ans: C

Which type of N-fertilizer is suitable for water-logged soil? a) Zinc Phosphet b) Ammonium Sulphate c) Calcium d) Potassium Nitrate

Description : Which type of N-fertilizer is suitable for water-logged soil? a) Zinc Phosphet b) Ammonium Sulphate c) Calcium d) Potassium Nitrate

Last Answer : b) Ammonium Sulphate

Write the molecular formulae of: 1. Copper oxide 2. Iron (III) chloride 3. Sodium hydroxide 4. Iron (II) sulphide 5. Lead (II) oxide 6. Hydrogen nitrate (nitric acid) 7. Hydrogen sulphate (sulphuric acid) 8. Calcium hydroxide 9. Magnesium carbonate 10.Ammonium carbonate

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Last Answer : 1. Copper oxide - CuO 2. Iron (III) chloride - FeCl3 3. Sodium hydroxide - NaOH 4. Iron (II) sulphide - FeS 5. Lead (II) oxide - PbO 6. Hydrogen nitrate (nitric acid) - HNO3 7. ... ) - H2SO4 8. Calcium hydroxide - Ca(OH)2 9. Magnesium carbonate - MgCO3 10.Ammonium carbonate - (NH4)2CO3

The chemical used for cloud seeding for artificial rains is - (1) Silver Nitrate (2) Potassium Bromide (3) Silver Iodide (4) Potassium Nitrate

Description : The chemical used for cloud seeding for artificial rains is - (1) Silver Nitrate (2) Potassium Bromide (3) Silver Iodide (4) Potassium Nitrate

Last Answer : (3) Silver Iodide Explanation: The chemical used for cloud seeding for artificial rains is silver iodide.

The chemical used for cloud seeding for artificial rains is (1) Silver Nitrate (2) Potassium Bromide (3) Silver Iodide (4) Potassium Nitrate

Description : The chemical used for cloud seeding for artificial rains is (1) Silver Nitrate (2) Potassium Bromide (3) Silver Iodide (4) Potassium Nitrate

Last Answer : Silver Iodide

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 : (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 ... attractive for use in motor vehicles to provide the high current required by automobile starter motors.

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

Which of the following is not soluble in water? (1) Lead Sulphate (2) Zinc sulphate (3) Potassium sulphate (4) Sodium sulphate

Description : Which of the following is not soluble in water? (1) Lead Sulphate (2) Zinc sulphate (3) Potassium sulphate (4) Sodium sulphate

Last Answer : (2) Zinc sulphate Explanation: Lead sulfate (PbSO4) is a white crystalline solid. It is insoluble in water and sinks in it. It is often seen in the plates/electrodes of car batteries, as it is ... is discharged. It is also known as fast white, milk white, sulfuric acid lead salt or anglesite.

Which of the following is not soluble in water ? (1) Lead Sulphate (2) Zinc sulphate (3) Potassium sulphate (4) Sodium sulphate

Description : Which of the following is not soluble in water ? (1) Lead Sulphate (2) Zinc sulphate (3) Potassium sulphate (4) Sodium sulphate

Last Answer : Zinc sulphate

Which of the following is responsible for the extra strength of pyrex glass? (1) Potassium Carbonate (2) Lead Oxide (3) Borax (4) Ferric Oxide

Description : Which of the following is responsible for the extra strength of pyrex glass? (1) Potassium Carbonate (2) Lead Oxide (3) Borax (4) Ferric Oxide

Last Answer : (3) Borax Explanation: Older clear-glass Pyrex manufactured by Corning before 1998, Arc International's Pyrex products, and Pyrex laboratory glassware is made of borosilicate glass. According ... glass cookware manufactured by World Kitchen is made of tempered sodalime glass instead of borosilicate.

Which of the following is responsible for the extra strength of pyrex glass ? (1) Potassium Carbonate (2) Lead Oxide (3) Borax (4) Ferric Oxide

Description : Which of the following is responsible for the extra strength of pyrex glass ? (1) Potassium Carbonate (2) Lead Oxide (3) Borax (4) Ferric Oxide

Last Answer : Borax

Which of the following is produced when polyvinyl chloride is burned? w) Hydrogen Cyanide x) Hydrogen Chloride y) Nitrogen Oxide z) Oxygen

Description : Which of the following is produced when polyvinyl chloride is burned? w) Hydrogen Cyanide x) Hydrogen Chloride y) Nitrogen Oxide z) Oxygen

Last Answer : ANSWER: X -- HYDROGEN CHLORIDE 

What Is The Balanced Equation Between Potassium Iodide And Lead II Nitrate?

Description : What Is The Balanced Equation Between Potassium Iodide And Lead II Nitrate?

Last Answer : The chemical equation is:KI + Pb(NO3)2 = PbI2(s) + 2 KNO3

What is the equation for aqueous potassium iodide reacts with lead nitrate in solution forming solid lead iodide?

Description : What is the equation for aqueous potassium iodide reacts with lead nitrate in solution forming solid lead iodide?

Last Answer : The chemical equation is:2 KI + Pb(NO3)2 = 2 KNO3 + PbI2(s)

The phosphorous used as rat poison ?

Description : The phosphorous used as rat poison ?

Last Answer : Zinc Phosphide

Which products will be obtained when lead nitrate is heated simply. Write balanced chemical equation for the reaction? State the type of chemical reaction that occur in the change. -Chemistry

Description : Which products will be obtained when lead nitrate is heated simply. Write balanced chemical equation for the reaction? State the type of chemical reaction that occur in the change. -Chemistry

Last Answer : Answer. Lead monoxide, nitrogen dioxide and oxygen gas will be liberated. It is thermal decomposition reaction.

Which of the following substances undergoes chemical change on heating? (1) Sodium chloride (2) Silica (3) Lead nitrate (4) Platinum wire

Description : Which of the following substances undergoes chemical change on heating? (1) Sodium chloride (2) Silica (3) Lead nitrate (4) Platinum wire

Last Answer : (3) Lead nitrate Explanation: Lead nitrate on heating decomposes to lead monoxide, nitrogen dioxide and oxygen. NO2 is liberated, along with oxygen, as a reddish brown gas.

Which of the following substances undergoes chemical change on heating? (1) Sodium chloride (2) Silica (3) Lead nitrate (4) Platinum wire

Description : Which of the following substances undergoes chemical change on heating? (1) Sodium chloride (2) Silica (3) Lead nitrate (4) Platinum wire

Last Answer : (3) Lead nitrate Explanation: Lead nitrate on heating decomposes to lead monoxide, nitrogen dioxide and oxygen. NO2 is liberated, along with oxygen, as a reddish brown gas.

What are the chemical signals of Potassium Nitrate ?

Description : What are the chemical signals of Potassium Nitrate ?

Last Answer : : Chemical signal of potassium nitrate KNO3

Inside the ____ is a gas generator containing a mixture of NaN3 (Sodium Azide), KNO3 (Potassium Nitrate) and SiO2 (Silicon Dioxide). When the undesired event happens, an electric circuit is turned on by a sensor, and a series of chemical reactions generate nitrogen gas that fills ____ in 20 to 30 milliseconds. Fill up the blank

Description : Inside the ____ is a gas generator containing a mixture of NaN3 (Sodium Azide), KNO3 (Potassium Nitrate) and SiO2 (Silicon Dioxide). When the undesired event happens, an electric circuit is ... chemical reactions generate nitrogen gas that fills ____ in 20 to 30 milliseconds. Fill up the blank

Last Answer : Air-bags in automobiles.

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.

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

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

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*

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

The metals with very low melting points which melts by the temperature of palm are A) Sodium and potassium B) Lead and magnesium C) Aluminium and zinc D) Gallium and caesium

Description : The metals with very low melting points which melts by the temperature of palm are A) Sodium and potassium B) Lead and magnesium C) Aluminium and zinc D) Gallium and caesium

Last Answer : D) Gallium and caesium

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

Ethyl alcohol is commonly made unfit for drinking by the addition of (a) potassium cyanide (b) methyl alcohol (c) chloroform (d) potassium chloride

Description : Ethyl alcohol is commonly made unfit for drinking by the addition of (a) potassium cyanide (b) methyl alcohol (c) chloroform (d) potassium chloride

Last Answer : Ans:(b)

Thermal pollution of water increases its toxicity and oxidation of oxygen demanding waste besides favouring bacterial growth. A rise in water temperature by 10°C, doubles the toxic effects of __________ present in it. (A) Coal ash (B) Potassium cyanide (C) Ortho-xylene (D) None of these

Description : Thermal pollution of water increases its toxicity and oxidation of oxygen demanding waste besides favouring bacterial growth. A rise in water temperature by 10°C, doubles the toxic effects of __________ present in it. (A) Coal ash (B) Potassium cyanide (C) Ortho-xylene (D) None of these

Last Answer : (B) Potassium cyanide

"Bhopal gas tragedy" 1984 is related to – (1) Aluminium Phosphide (2) Methyl bromide (3) Methyl isocyanate (4) Carbon dioxide

Description : "Bhopal gas tragedy" 1984 is related to – (1) Aluminium Phosphide (2) Methyl bromide (3) Methyl isocyanate (4) Carbon dioxide

Last Answer : (3) Methyl isocyanate Explanation: In the Bhopal disaster which took place on 2-3 December, 1984 over 500,000 people were exposed to methyl isocyanate gas and other chemicals. The toxic substance made its way in and around the shantytowns located near the plant.

Brass gets discoloured in air due to constant exposure in presence of: (1) Aluminium phosphide (2) Hydrogen sulphide (3) Hydrogenated wafers (4) Aluminium sulphide

Description : Brass gets discoloured in air due to constant exposure in presence of: (1) Aluminium phosphide (2) Hydrogen sulphide (3) Hydrogenated wafers (4) Aluminium sulphide

Last Answer : (2) Hydrogen sulphide Explanation: Brass gets discoloured in air because of Hydrogen sulphide. Transition elements are coloured. The brass is combination of Zn and Cu. But it is discoloured due to hydrogen sulphide in air.

What is the oxidation number of Bismuth in the compound Bismuth Phosphide?

Description : What is the oxidation number of Bismuth in the compound Bismuth Phosphide?

Last Answer : ANSWER: + 3 (accept 3)

“Bhopal gas tragedy” 1984 is related to (1) Aluminium Phosphide (2) Methyl bromide (3) Methyl isocyanate (4) Carbon dioxide

Description : “Bhopal gas tragedy” 1984 is related to (1) Aluminium Phosphide (2) Methyl bromide (3) Methyl isocyanate (4) Carbon dioxide

Last Answer : Methyl isocyanate

Brass gets discoloured in air due to constant exposure in presence of: (1) Aluminium phosphide (2) Hydrogen sulphide (3) Hydrogenated wafers (4) Aluminium sulphide

Description : Brass gets discoloured in air due to constant exposure in presence of: (1) Aluminium phosphide (2) Hydrogen sulphide (3) Hydrogenated wafers (4) Aluminium sulphide

Last Answer : Hydrogen sulphide

Which compound is formed when a Magnesium ribbon is burnt in air? (1) Magnesium Nitrate (2) Magnesium Carbonate (3) Magnesium Oxide (4) Magnesium Nitride

Description : Which compound is formed when a Magnesium ribbon is burnt in air? (1) Magnesium Nitrate (2) Magnesium Carbonate (3) Magnesium Oxide (4) Magnesium Nitride

Last Answer : (3) Magnesium Oxide Explanation: When Magnesium burns air it reacts with oxygen present in air to form magnesium oxide.

A powerful eye irritant present in smog is – (1) nitric oxide (2) sulphur dioxide (3) peroxyacetyl nitrate (4) carbon dioxide

Description : A powerful eye irritant present in smog is – (1) nitric oxide (2) sulphur dioxide (3) peroxyacetyl nitrate (4) carbon dioxide

Last Answer : (3) peroxyacetyl nitrate Explanation: Peroxyacetyl nitrate is a secondary pollutant present in photochemical smog. It is thermally unstable and decomposes into peroxyethanoyl radicals and nitrogen dioxide gas. It is a lachrymatory substance.

Nitrogen in water is commonly found in the form of - (1) Nitrous oxide (2) Nitrate (3) Nitric oxide (4) Nitrite

Description : Nitrogen in water is commonly found in the form of - (1) Nitrous oxide (2) Nitrate (3) Nitric oxide (4) Nitrite

Last Answer : (2) Nitrate Explanation: Nitrate (NO3) is the most common form of inorganic nitrogen in unpolluted waters. Nitrate moves readily through soils and into ground water, where concentrations can be much higher than in surface waters. Water in coastal areas mainly contains elementary nitrogen gas (N2).

What among following is used to produce artificial rain? (1) Copper oxide (2) carbon monoxide (3) silver iodide (4) silver nitrate

Description : What among following is used to produce artificial rain? (1) Copper oxide (2) carbon monoxide (3) silver iodide (4) silver nitrate

Last Answer : (3) silver iodide Explanation: Artificial process of making rain is done by precipitation, a process of condensation of water vapors in the air. This is done by using cloud seeding chemicals like potassium iodide, silver iodide, liquid propane or solid carbon dioxide (dry ice).

What among following is used to produce artificial rain? (1) copper oxide (2) carbon monoxide (3) silver iodide (4) silver nitrate

Description : What among following is used to produce artificial rain? (1) copper oxide (2) carbon monoxide (3) silver iodide (4) silver nitrate

Last Answer : (3) silver iodide Explanation: Artificial rain is produced by spraying clouds with substances like Silver Iodide (costly) or cheaper ones like solid carbon dioxide (dry ice) or even finely powdered Sodium Chloride.

Which of the following nitrogen-containing compounds is most readily used by plants? w) nitrogen dioxide x) ammonia y) nitrous oxide z) nitrate

Description : Which of the following nitrogen-containing compounds is most readily used by plants? w) nitrogen dioxide x) ammonia y) nitrous oxide z) nitrate

Last Answer : ANSWER: Z -- NITRATE

Which of the following is not a covalent network solid? w) silicon dioxide x) silicon oxide y) boron nitrate z) sodium oxide

Description : Which of the following is not a covalent network solid? w) silicon dioxide x) silicon oxide y) boron nitrate z) sodium oxide

Last Answer : ANSWER: D -- SODIUM OXIDE