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4

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

Correct Answer :

B. methyl alcohol and ethyl alcohol


Related Questions

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4

Rusting is a special case of corrosion applied to

A. nickel

B. tin

C. iron

D. chromium

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4

Oil of winter green contains

A. acetone

B. ether

C. acetic acid

D. methyl salicylate

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4

Artificial diamonds were produced by

A. Moissan

B. Davy

C. Faraday

D. Marie Curie

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4

Cinnabar is an ore of

A. lead

B. zinc

C. mercury

D. chromium

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Setting of cement is due to

A. hydration

B. dehydration

C. dialysis

D. osmosis

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4

A non-material kind of pollution is

A. land pollution

B. air pollution

C. noise pollution

D. water pollution

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4

Lead soaps are used in

A. shaving creams

B. adhesive tapes

C. toilet powders

D. lubricants

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4

The discoverer of chloroform was

A. Liebig

B. Pasteur

C. Bunsen

D. Erlenmeyer

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4

Water has an unusually high bolling point because

A. its molecular weight is low

B. it is denser than ice

C. it is a good solvent for many ionic substances

D. the molecules of water are joined by hydrogen bonds

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4

Colour blindness is

A. a congenital disease

B. a communicable disease

C. an acquired disease

D. a contagious disease

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4

Invert sugar is

A. sucrose

B. glucose

C. fructose

D. a mixture of glucose and fructose

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4

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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4

A form of carbon which is a good lubricant is

A. diamond

B. coke

C. graphite

D. charcoal

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4

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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4

The gas used in balloons in the place of hydrogen is

A. nitrogen

B. helium

C. neon

D. argon

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4

The commonest ore of aluminium is

A. cryolite

B. bauxite

C. malachite

D. azurite

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4

BHC is a

A. Rodenticide

B. Herbicide

C. Pesticide

D. Fungicide

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4

Gasoline is obtained from crude petroleum by

A. fractional distillation

B. fractional crystallisation

C. sublimation

D. evaporation

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4

Solid carbon dioxide is used

A. as a drying agent

B. as a refrigerant

C. as an antiseptic

D. as a bleaching agent

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4

The main element used in the vulcani-sation of rubber is

A. nickel

B. copper

C. sulphur

D. graphite

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Hypo' is

A. sodium nitrate

B. Potassium nitrate

C. sodium thiosulphate

D. ammonium chloride

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4

Which of the following is not a supporter of combustion?

A. Oxygen

B. Air

C. Hydrogen

D. Chlorine

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________ is left behind after distillation of petroleum.

A. Arsenic

B. Barium

C. Benzene

D. Bitumen

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4

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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4

Stainless steel contains steel and

A. manganese

B. vanadium

C. nickel

D. chromium

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The name rubber was given by

A. Lavoisier

B. Priestley

C. Dalton

D. Avogadro

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The alloy which is extremely hard and resistant to acids is

A. chrome steel

B. silicon steel

C. stainless steel

D. invar

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4

Which among the following is a metalloid?

A. Tin

B. Silver

C. Iodine

D. Arsenic

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4

Beri-beri is caused by deficiency of Vitamin

A. A

B. C

C. B12

D. B1

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Marble is

A. calcium carbonate

B. sodium carbonate

C. magnesium sulphate

D. ferric chloride