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Current Affairs January 2024

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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

Correct Answer :

D. neither definite volume nor shape


Related Questions

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The pure at form of iron is

A. wrought iron

B. steel

C. pig iron

D. nickel steel

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Which among the following is a local anaesthetic?

A. Chloroform

B. Morphine

C. Streptomycin

D. Cocaine

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Which of the following is not a physical change?

A. Distillation of water

B. Action of heat on potassium chlorate

C. Powdering of glass

D. Burning of an electric lamp

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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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The formula for cane sugar is

A. C6H12O6

B. C2H5OH

C. C12H22O11

D. C7H8O

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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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Copper is purified by

A. poling

B. tempering

C. calcination

D. galvanising

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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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Vinegar is the trade name for

A. chloroform

B. acetic acid

C. phenol

D. carbon tetrachloride

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Calamine is a ore of

A. tine

B. magnesium

C. zinc

D. copper

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The non-metal which is electropositive is

A. chlorine

B. nitrogen

C. sulphur

D. hydrogen

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Brass contains

A. copper and tin

B. aluminium and magnesium

C. copper and zinc

D. copper, tin and zinc

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Which one of the following gases is extremely soluble in water?

A. Carbon dioxide

B. Ammonia

C. Chlorine

D. Hydrogen sulphide

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The pH or pure water is nearly 7.0 It will increase on the addition or

A. hydrochloric acid

B. ammonia

C. cane sugar

D. common salt

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Radium was isolated from

A. galena

B. dolomite

C. sylvine

D. pitchblende

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An acid which is used as a preservative for pickles is

A. hydrochloric acid

B. citric acid

C. tartaric acid

D. acetic acid

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Hard water does not lather well with soap because

A. it contains carbonates of calcium and magnesium

B. it contains sodium chloride

C. it is highly coloured

D. it contains suspended impurities

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The sugar which is used in silvering mirrors is

A. sucrose

B. maltose

C. glucose

D. fructose

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The compound of iron used in the manufacture of blue-black ink is

A. ferric chloride

B. ferric sulphate

C. ferric thiocyanate

D. ferrous sulphate

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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 atomic number of an element represents

A. number of neutrons in the nucleus

B. number of protons and neutrons in the nucleus

C. the valency of the element

D. number of protons in the nucleus

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Marble is

A. calcium carbonate

B. sodium carbonate

C. magnesium sulphate

D. ferric chloride

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The foul odour of gasoline is due to

A. pyridine

B. hydrogen sulphide

C. cacodyl

D. carbylamines

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Which of the following act a both u oxidising and reducing agent?

A. nitric acid

B. ammonia

C. nitrous acid

D. nitrogen peroxide

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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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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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Biogas is obtained during

A. decomposition of petrol

B. fermentation of animal and plant waste

C. destructive distillation of coal

D. electrolysis of water

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Petroleum ether is also known as

A. kerosene

B. naphtha

C. lubricating oil

D. asphalt

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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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The best specimen for drinking purposes is

A. rain water

B. river water

C. conductivity water

D. deep well water