A metal which is extracted by thermal reduction is

Question

A metal which is extracted by thermal reduction is

A. nickel

B. aluminium

C. mercury

D. calcium

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Which of the following la a very good supporter of combustion?

A. Carbon monoxide

B. Oxygen

C. Nitrogen

D. Hydrogen

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Gases have

A. a definite shape but not volume

B. a definite volume and shape

C. a definite volume but not shape

D. neither definite volume nor shape

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Which or the following is not a constituent or gun powder?

A. Ammonium nitrate

B. Nitre

C. Charcoal powder

D. Sulphur

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The ore of iron is

A. Dolomite

B. Magnetite

C. Bauxite

D. Anglesite

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Which one of the following is used in dry cleaning of garments?

A. asphalt

B. naphtha

C. diesel oil

D. lubricating oil

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Which of the following carbon compounds is used as a fire extinguisher?

A. Carbon disulphide

B. Chloroform

C. Carbon tetrachloride

D. Methylene chloride

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A common rodenticide is (Rat Poison)

A. malathion

B. parathion

C. zinc phosphide

D. diuron

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An example of stimulant fertilizer is

A. gypsum

B. urea

C. potassium nitrate

D. ammonium phosphate

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Which one of the following metals is used to extract another metal?

A. Lead

B. Tin

C. Zinc

D. Aluminium

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The Combined Gas Law equation is

A. P1V1T1 = P2 V2 T2

B. P1V1T2 = P2V2T1

C. P = P1 + P2 + P3

D. C =

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Cupellation is used in the purification of

A. Lead

B. Tin

C. Silver

D. Gold

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The chemical name of aspirin is

A. acetamide phenol

B. malonyl urea

C. aminosalicylic acid

D. acetyl salicylic acid

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The freezing point of water at 760 mm pressure is

A. 273 K

B. 0 K

C. 273°C

D. -273°C

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Clark's method for removal of temporary hardness in water uses

A. calcium hydroxide

B. washing soda

C. calcium chloride

D. zeolite

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Which of the following is called 'the King of Chemicals?

A. Nitric acid

B. Hydrochloric acid

C. Silver nitrate

D. Sulphuric acid

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Sulphur is readily soluble in

A. Water

B. Alcohol

C. Carbon-di-sulphide

D. Sodium chloride solution

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Leakage in Liquefied Petroleum Gas (LPG) cylinders is easily detected by adding

A. mercaptans

B. propylene

C. carbon disulphide

D. phosgene

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Soda-water contains

A. sodium bicarbonate

B. sodium carbonate

C. carbonic acid

D. sodium hydroxide

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Which one of the following gases is extremely soluble in water?

A. Carbon dioxide

B. Ammonia

C. Chlorine

D. Hydrogen sulphide

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Physico-chemical characteristics of water in water sources undergo changes due to

A. aquatic macrophytes

B. aquatic fungi

C. effluents

D. evapotranspiration

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An example of thermo setting plastics is

A. bakelite

B. polythene

C. PVC

D. Teflon

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Solder is an alloy of

A. tin and copper

B. tin and lead

C. tin and zinc

D. tin, copper and zinc

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Which of the following is not an antibiotic?

A. streptomycin

B. terramycin

C. aureomycin

D. codein

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A drug that is usually administered for malaria is

A. sulphanilamide

B. quinine

C. methicillin

D. novocaine

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Beri-beri is caused by deficiency of Vitamin

A. A

B. C

C. B12

D. B1

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The non-metal which has a shining appearance is

A. sulphur

B. phosphorus

C. iodine

D. bromine

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The value of Avogadro Number is

A. 6.023 x 1022

B. 1 x 10-14

C. cl 6.056 x 10-6

D. 6.023 x 1023

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Metals are usually heavy. A light metal is

A. manganese

B. copper

C. potassium

D. plumbum

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Which of the following is not a chemical change?

A. Rusting of iron

B. Burning of magnesium

C. Sublimation of iodine

D. Electrolysis of water

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Plaster of Paris

A. contracts while setting

B. expands while setting

C. is highly volatile

D. does not suffer any changes in volume while setting

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Accepted Answer

C. mercury

A metal which is extracted by thermal reduction is

Correct Answer :

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Related Questions

Which of the following la a very good supporter of combustion?

Gases have

Which or the following is not a constituent or gun powder?

The ore of iron is

Which one of the following is used in dry cleaning of garments?

Which of the following carbon compounds is used as a fire extinguisher?

A common rodenticide is (Rat Poison)

An example of stimulant fertilizer is

Which one of the following metals is used to extract another metal?

The Combined Gas Law equation is

Cupellation is used in the purification of

The chemical name of aspirin is

The freezing point of water at 760 mm pressure is

Clark's method for removal of temporary hardness in water uses

Which of the following is called 'the King of Chemicals?

Sulphur is readily soluble in

Leakage in Liquefied Petroleum Gas (LPG) cylinders is easily detected by adding

Soda-water contains

Which one of the following gases is extremely soluble in water?

Physico-chemical characteristics of water in water sources undergo changes due to

An example of thermo setting plastics is

Solder is an alloy of

Which of the following is not an antibiotic?

A drug that is usually administered for malaria is

Beri-beri is caused by deficiency of Vitamin

The non-metal which has a shining appearance is

The value of Avogadro Number is

Metals are usually heavy. A light metal is

Which of the following is not a chemical change?

Plaster of Paris

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