Which of the following is not a chemical change?

Question

Which of the following is not a chemical change?

A. Burning of magnesium ribbon in air

B. Distillation of water

C. Heating of cane sugar

D. Setting of cement

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Radium was isolated from

A. galena

B. dolomite

C. sylvine

D. pitchblende

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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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Which of the following cannot be used as fuel?

A. Gasoline

B. Kerosene

C. Sulphuric acid

D. Alcohol

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The poisonous nature of carbon monoxide is due to

A. cutting off supply of oxygen

B. it™s being converted into carbon dioxide

C. its combination with haemoglobin of blood

D. its blocking of vocal chords

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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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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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The metal which reacts most violently with cold water is

A. calcium

B. sodium

C. magnesium

D. potassium

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The principle involved in dialysis, a treatment administered to patients with affected kidneys is

A. Cataphoresis

B. Osmosis

C. Dehydration

D. Diffusion

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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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The earliest known acid is

A. nitric acid

B. oxalic acid

C. carbonic acid

D. acetic acid

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

A. Aluminium

B. Silver

C. Copper

D. Magnesium

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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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The hormone which absorption is increases glucose oxidation and glucose

A. adrenalin

B. thyroxin

C. insulin

D. epinephrine

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LSD is

A. an anaesthetic

B. a psychedelic drug

C. an antipyretic

D. an antibiotic

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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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Cholesterol is

A. a carbohydrate

B. a protein

C. a lipid

D. a hormone

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An example of thermo setting plastics is

A. bakelite

B. polythene

C. PVC

D. Teflon

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Vinegar is the trade name for

A. chloroform

B. acetic acid

C. phenol

D. carbon tetrachloride

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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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A drug that is usually administered for malaria is

A. sulphanilamide

B. quinine

C. methicillin

D. novocaine

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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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Annealing of glass is carried out by

A. rapid cooling

B. rapid heating

C. slow cooling

D. slow heating

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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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The main constituent of gobar gas is

A. methane

B. nitrogen

C. carbondioxide

D. ethylene

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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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The modern system of symbols was evolved by

A. Dalton

B. Cavendish

C. Avogadro

D. Berzelius

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The most abundant constituent in air is

A. hydrogen

B. nitrogen

C. oxygen

D. noble gases

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Reduction involves

A. loss of electrons

B. gain of electrons

C. gain of oxygen

D. removal of hydrogen

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

A. nickel

B. copper

C. sulphur

D. graphite

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Accepted Answer

B. Distillation of water

Which of the following is not a chemical change?

Correct Answer :

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Related Questions

Radium was isolated from

Even as early as 3000 BC glass was known to the

Which of the following cannot be used as fuel?

The poisonous nature of carbon monoxide is due to

Which of the following is not a chemical change?

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

The metal which reacts most violently with cold water is

The principle involved in dialysis, a treatment administered to patients with affected kidneys is

Plaster of Paris

The earliest known acid is

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

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

Solid carbon dioxide (Dry ice) is also known as

The hormone which absorption is increases glucose oxidation and glucose

LSD is

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

Cholesterol is

An example of thermo setting plastics is

Vinegar is the trade name for

When ants bite, they inject

A drug that is usually administered for malaria is

Methylated spirit is a mixture of

Annealing of glass is carried out by

Triple Antigen treatment for children is to ward off

The main constituent of gobar gas is

CAN is used as (Calcium Ammonium Nitrate)

The modern system of symbols was evolved by

The most abundant constituent in air is

Reduction involves

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

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