Sulphur is readily soluble in

Question

Sulphur is readily soluble in

A. Water

B. Alcohol

C. Carbon-di-sulphide

D. Sodium chloride solution

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The best specimen for drinking purposes is

A. rain water

B. river water

C. conductivity water

D. deep well water

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Washing soda is

A. sodium hydroxide

B. sodium carbonate

C. sodium bicarbonate

D. potassium chloride

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Which among the following is a solid non-metal?

A. chlorine

B. mercury

C. water

D. iodine

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Ascorbic acid is the chemical name for

A. Vitamin B6

B. Vitamin C

C. Vitamin K

D. Vitamin D

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Which of the following metals is the best conductor of heat and electricity?

A. Aluminium

B. Silver

C. Copper

D. Magnesium

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Calomel is

A. lead chloride

B. mercurous chloride

C. mercuric chloride

D. calcium sulphate

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Laughing gas is

A. nitric oxide

B. nitrogen peroxide

C. nitrogen pentoxide

D. nitrous oxide

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Which of the following is used as a food preservative?

A. phenol

B. washing soda

C. absolute alcohol

D. vinegar

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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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The substance most abundantly found in sea water is

A. magnesium chloride

B. sodium chloride

C. calcium sulphate

D. potassium chloride

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Vinegar is an aqueous solution of

A. oxalic acid

B. citric acid

C. acetic acid

D. hydrochloric acid

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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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If people sleep in closed rooms where charcoal fire is burning, they die due to

A. carbon monoxide

B. carbon dioxide

C. methane

D. phosgene

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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 most abundant constituent in air is

A. hydrogen

B. nitrogen

C. oxygen

D. noble gases

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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 not an alloy of copper?

A. Bronze

B. Brass

C. Solder

D. Gun metal

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The alloy added in the preparation of steel contains

A. Fe and C

B. Mn and C

C. Fe and Mn

D. Fe, Mn and C

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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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A substance used both as an explosive and as a germicide is

A. phenol

B. TNT

C. picric acid

D. iodoform

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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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One method by which the components of air can be separated is

A. shaking with caustic soda solution

B. shaking with water

C. fractional distillation of liquid air

D. passing air over heated magnesium

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Ethyl alcohol is

A. a deliquescent substance

B. an efflorescent substance

C. a hygroscopic substance

D. a dehydrating substance

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Which among the following gases present in the air discolours brass nameplates?

A. Hydrogen Sulphide

B. Nitrogen

C. Carbon-di-oxide

D. Oxygen

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On chemical analysis, a bottle cork is found to contain primarily

A. proteins

B. carbohydrates

C. tannins

D. lipids

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Vulcanisation was discovered by

A. Goodyear

B. Wohler

C. Baeyer

D. Perkin

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PAS is a drug used In the treatment of

A. tuberculosis

B. cancer

C. typhoid

D. malaria

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Which of the following is not a metal?

A. Lithium

B. Helium

C. Sodium

D. Cobalt

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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 a regenerated fibre?

A. Terylene

B. Rayon

C. Nylon

D. Silk

Discuss this answer

Accepted Answer

C. Carbon-di-sulphide

Sulphur is readily soluble in

Correct Answer :

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The best specimen for drinking purposes is

Washing soda is

Which among the following is a solid non-metal?

Ascorbic acid is the chemical name for

Which of the following metals is the best conductor of heat and electricity?

Calomel is

Laughing gas is

Which of the following is used as a food preservative?

Which of the following is not a chemical change?

The substance most abundantly found in sea water is

Vinegar is an aqueous solution of

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

If people sleep in closed rooms where charcoal fire is burning, they die due to

Methylated spirit is a mixture of

The most abundant constituent in air is

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

Which of the following is not an alloy of copper?

The alloy added in the preparation of steel contains

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A substance used both as an explosive and as a germicide is

Gases have

One method by which the components of air can be separated is

Ethyl alcohol is

Which among the following gases present in the air discolours brass nameplates?

On chemical analysis, a bottle cork is found to contain primarily

Vulcanisation was discovered by

PAS is a drug used In the treatment of

Which of the following is not a metal?

Which of the following statements regarding natural radioactivity is true?

Which of the following is a regenerated fibre?

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