Alum is used

Question

Alum is used

A. as an analgesic

B. in the purification of water

C. as a fertilizer

D. as a disinfectant

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Hypo' is

A. sodium nitrate

B. Potassium nitrate

C. sodium thiosulphate

D. ammonium chloride

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The depletion of the ozone layer in the upper atmosphere is due to -extensive use of

A. dichloro-phenoxy-acetic acid

B. superphosphate of lime

C. chlorofluorocarbons (CFC)

D. dichloro-diphenyl-trichloro-ethane

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Gasoline is obtained from crude petroleum by

A. fractional distillation

B. fractional crystallisation

C. sublimation

D. evaporation

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A burning substance which continues to burn in a jar of carbon dioxide is

A. zinc

B. red phosphorus

C. magnesium

D. sulphur

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Which of the following is a Bleaching agent?

A. Potassium chlorate

B. Hydrogen peroxide

C. Copper sulphate

D. Silver Nitrate

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Stainless steel contains steel and

A. manganese

B. vanadium

C. nickel

D. chromium

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A hormone which contains iodine is

A. adrenalin

B. glucagon

C. epinephrin

D. thyroxin

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Heated saw dust catches fire when a drop of concentrated nitric acid is added to it. This is due to

A. dehydration

B. oxidation

C. reduction

D. dehydrogenation

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Which one of the following elements is alloyed with iron to produce steel which can resist high temperatures and also have high hardness and abrasion resistance?

A. Aluminium

B. Chromium

C. Nickel

D. Tungsten

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The earliest known acid is

A. nitric acid

B. oxalic acid

C. carbonic acid

D. acetic acid

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The scientist associated with the discovery of the nucleus was

A. Rutherford

B. Moseley

C. Niels Bohr

D. J.J. Thomson

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Alum is used

A. as an analgesic

B. in the purification of water

C. as a fertilizer

D. as a disinfectant

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Galvanising is the process of coating

A. iron with zinc

B. zinc with iron

C. copper with silver

D. silver with gold

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Solid carbon dioxide (Dry ice) is also known as

A. Thiokol

B. Drikold

C. Perhydrol

D. Mannitol

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LSD is

A. an anaesthetic

B. a psychedelic drug

C. an antipyretic

D. an antibiotic

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Marsh gas is

A. ethane

B. ethylene

C. acetylene

D. methane

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In addition to nitric acid, another acid which may render iron passive is

A. acetic acid

B. oxalic acid

C. chromic acid

D. citric acid

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Methylated spirit is a mixture of

A. methyl alcohol and acetic acid

B. methyl alcohol and ethyl alcohol

C. ethyl alcohol and pyridine

D. methyl alcohol and pyridine

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The name rubber was given by

A. Lavoisier

B. Priestley

C. Dalton

D. Avogadro

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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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Cinnabar is an ore of

A. lead

B. zinc

C. mercury

D. chromium

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Rusting is a special case of corrosion applied to

A. nickel

B. tin

C. iron

D. chromium

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Jeweller's rouge is

A. magnetic oxide of iron

B. ferric oxide

C. ferrous oxide

D. ferrous carbonate

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The gas evolved when ammonium nitrate is heated is

A. nitrogen

B. nitric oxide

C. nitrogen peroxide

D. nitrous oxide

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Riboflavin deficiency causes

A. tongue inflammation

B. pellagra

C. night blindness

D. anaemia

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The gas used in balloons in the place of hydrogen is

A. nitrogen

B. helium

C. neon

D. argon

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When ants bite, they inject

A. glacial acetic acid

B. methanol

C. formic acid

D. stearic acid

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In the common soda-acid fire extinguisher, the fire is put out by

A. acid fumes

B. sodium bicarbonate

C. carbon dioxide

D. sodium carbonate

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Triple Antigen treatment for children is to ward off

A. whooping cough

B. tetanus

C. diphtheria

D. All the three

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Lunar caustic is

A. calcium sulphate

B. ammonium chloride

C. caustic soda

D. silver nitrate

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Accepted Answer

B. in the purification of water

Alum is used

Correct Answer :

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Related Questions

Hypo' is

The depletion of the ozone layer in the upper atmosphere is due to -extensive use of

Gasoline is obtained from crude petroleum by

A burning substance which continues to burn in a jar of carbon dioxide is

Which of the following is a Bleaching agent?

Stainless steel contains steel and

A hormone which contains iodine is

Heated saw dust catches fire when a drop of concentrated nitric acid is added to it. This is due to

Which one of the following elements is alloyed with iron to produce steel which can resist high temperatures and also have high hardness and abrasion resistance?

The earliest known acid is

The scientist associated with the discovery of the nucleus was

Alum is used

Galvanising is the process of coating

Solid carbon dioxide (Dry ice) is also known as

LSD is

Marsh gas is

In addition to nitric acid, another acid which may render iron passive is

Methylated spirit is a mixture of

The name rubber was given by

A drug that is usually administered for malaria is

Cinnabar is an ore of

Rusting is a special case of corrosion applied to

Jeweller's rouge is

The gas evolved when ammonium nitrate is heated is

Riboflavin deficiency causes

The gas used in balloons in the place of hydrogen is

When ants bite, they inject

In the common soda-acid fire extinguisher, the fire is put out by

Triple Antigen treatment for children is to ward off

Lunar caustic is

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