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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

Correct Answer :

C. Carbon tetrachloride


Related Questions

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Rusting is

A. an oxidation process

B. a reduction process

C. a physical change

D. an electro-chemical process

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Cholesterol is

A. a carbohydrate

B. a protein

C. a lipid

D. a hormone

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CAN is used as (Calcium Ammonium Nitrate)

A. an explosive

B. a fertilizer

C. a dye

D. a bleaching agent

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Cinnabar is an ore of

A. lead

B. zinc

C. mercury

D. chromium

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White lead is

A. a basic salt

B. an acid salt

C. a double salt

D. a normal salt

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Lead soaps are used in

A. shaving creams

B. adhesive tapes

C. toilet powders

D. lubricants

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Nitrous oxide used as anaesthetic is usually mixed with

A. ethyl alcohol

B. chloroform

C. oxygen

D. methyl alcohol

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In the making of jewels, gold is usually mixed with

A. zinc

B. tin

C. copper

D. aluminium

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A light alloy having high tensile strength is

A. German silver

B. solder

C. magnalium

D. bell metal

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Galvanising is coating Iron with

A. nickel

B. zinc

C. chromium

D. copper

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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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The soaps used in shaving cream are

A. calcium soaps

B. lead soaps

C. soft soaps

D. hard soaps

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Which is the 'odd man' in the following?

A. brass

B. common salt

C. cane sugar

D. water

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The malarial parasite was discovered by

A. Sir Ronald Ross

B. Sir Francis Haig

C. Dr Jagadish Chandra Bose

D. Sir CV Raman

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Harmful bacteria in drinking water cannot be destroyed by

A. chlorination

B. boiling

C. adding caustic soda

D. ozonisation

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Diamonds are weighed in

A. grams

B. pounds

C. carats

D. tons

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The name rubber was given by

A. Lavoisier

B. Priestley

C. Dalton

D. Avogadro

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Which of the following is an essential constituent of acids?

A. Oxygen

B. Nitrogen

C. Hydrogen

D. Chlorine

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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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Which one of the following is used for dry cleaning?

A. Kerosene oil

B. Diesel oil

C. Lubricating oil

D. Petroleum ether

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Even as early as 3000 BC glass was known to the

A. Europeans

B. Egyptians

C. Asians

D. Americans

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Apart from lead tetra-ethyl, the other compound used as antiknock is

A. n-heptane

B. n-octane

C. iso-heptane

D. iso-octane

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Which of the following represents a physical change?

A. sublimation

B. oxidation

C. reduction

D. decomposition

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________ is left behind after distillation of petroleum.

A. Arsenic

B. Barium

C. Benzene

D. Bitumen

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Which of the following statements regarding natural radioactivity is true?

A. It is spontaneous disintegration of atoms

B. It is induced by bombardment with projectiles

C. It is transmutation of atoms with projectiles

D. It is dependent on temperature

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Which of the following is not a metal?

A. Lithium

B. Helium

C. Sodium

D. Cobalt

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The human body contains about

A. 50% water

B. 10% water

C. 70% water

D. 20% water

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An element which is preserved under water is

A. Sodium

B. red phosphorus

C. white phosphorus

D. sulphur

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Boiler scales' contain

A. calcium carbonate

B. magnesium bicarbonate

C. calcium sulphate

D. magnesium sulphate

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The fertilizer which has the largest percentage of nitrogen is

A. urea

B. ammonium nitrate

C. ammonium sulphate

D. calcium cyanamide