Dust particles in the air of large industrial cities are removed by

Question

Dust particles in the air of large industrial cities are removed by

A. Sedimentation

B. Electrophoresis

C. Tyndall effect

D. Brownian movement

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Comment

Two or more entirely different compounds having the same molecular formula are known as

A. isobars

B. isotopes

C. isomorphs

D. isomers

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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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The vitamin that is found in citrus fruits such as lemon and orange is

A. vitamin C

B. vitamin B2

C. vitamin A

D. vitamin E

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A hormone which contains iodine is

A. adrenalin

B. glucagon

C. epinephrin

D. thyroxin

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A compound used both as a fungicide and as a disinfectant is

A. chlorine

B. carbon monoxide

C. sulphur dioxide

D. o-cresol

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Quick lime has the formula

A. CaO

B. Ca(OH)2

C. NaOH

D. Na2CO3

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Which or the following electrolysis?

A. Aluminium

B. Copper

C. Zinc

D. Iron

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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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The Long Form of the Periodic Table is based on

A. atomic number

B. valency

C. atomic mass

D. atomic radius

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Soda-water contains

A. sodium bicarbonate

B. sodium carbonate

C. carbonic acid

D. sodium hydroxide

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Which of the following is a regenerated fibre?

A. Terylene

B. Rayon

C. Nylon

D. Silk

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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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Calomel is

A. lead chloride

B. mercurous chloride

C. mercuric chloride

D. calcium sulphate

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Artificial diamonds were produced by

A. Moissan

B. Davy

C. Faraday

D. Marie Curie

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The most abundant noble gas present in air is

A. neon

B. argon

C. helium

D. krypton

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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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Acute diabetes patients smell of

A. acetone

B. ether

C. ethyl alcohol

D. methyl alcohol

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The process that takes place in the atom bomb is

A. nuclear' fusion

B. radioactive disintegration

C. nuclear fission

D. chemical decomposition

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Colour blindness is

A. a congenital disease

B. a communicable disease

C. an acquired disease

D. a contagious disease

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Flint glass contains

A. potassium and lead silicates

B. zinc and barium borosilicates

C. potassium and calcium silicates

D. sodium and calcium silicates

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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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Rayon la made from

A. cotton

B. wool

C. cellulose

D. silk

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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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Which of the following is not an alloy of copper?

A. Bronze

B. Brass

C. Solder

D. Gun metal

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Lunar caustic is

A. calcium sulphate

B. ammonium chloride

C. caustic soda

D. silver nitrate

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Which of the following is a communicable disease caused by viruses?

A. Cholera

B. Dysentery

C. Diabetes

D. Measles

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Annealing of glass is done in

A. a cupel

B. a long narrow chamber

C. an open furnace

D. a closed furnace

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A mixture of naphthalene and sand is separated by

A. evaporation

B. using a magnet

C. sublimation

D. sedimentation

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Compounds containing only carbon and hydrogen are called

A. carbohydrates

B. carbides

C. hydrocarbons

D. carbonyls

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Which of the following is not a food material?

A. silicate

B. protein

C. fat

D. carbohydrate

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Accepted Answer

B. Electrophoresis

Dust particles in the air of large industrial cities are removed by

Correct Answer :

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Related Questions

Two or more entirely different compounds having the same molecular formula are known as

The substance most abundantly found in sea water is

The vitamin that is found in citrus fruits such as lemon and orange is

A hormone which contains iodine is

A compound used both as a fungicide and as a disinfectant is

Quick lime has the formula

Which or the following electrolysis?

Which of the following statements regarding natural radioactivity is true?

The Long Form of the Periodic Table is based on

Soda-water contains

Which of the following is a regenerated fibre?

Gasoline is obtained from crude petroleum by

Calomel is

Artificial diamonds were produced by

The most abundant noble gas present in air is

A light alloy having high tensile strength is

Acute diabetes patients smell of

The process that takes place in the atom bomb is

Colour blindness is

Flint glass contains

Ethyl alcohol is

Rayon la made from

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

Which of the following is not an alloy of copper?

Lunar caustic is

Which of the following is a communicable disease caused by viruses?

Annealing of glass is done in

A mixture of naphthalene and sand is separated by

Compounds containing only carbon and hydrogen are called

Which of the following is not a food material?

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