GK Questions on Metal and Alloys for Competitive Exams

Chemistry GK Questions

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Q.21 Which substance is obtained by the hydrolysis of oil?

A. ethanol
 B. glycol
 C. acetic acid
 D. glycerol

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Q.22 Washing soda is

A. sodium sulphite
 B. sodium bicarbonate
 C. sodiun carbonate
 D. sodium biosulphite

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Q.23 Air contains maximum amount of

A. oxygen
 B. nitrogen
 C. hydrogen
 D. carbon dioxide

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Q.24 Human bone does not contain

A. calcium
 B. carbon
 C. oxygen
 D. phosphorous

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Q.25 Homo nuclear molecules contain

A. polar bond
 B. covalent bond
 C. ionic bond
 D. coordinate bond

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Q.26 Which one of the following metals is the best conductor of electricity?

(A) iron

(B) copper

(C) silver

(D) aluminium

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Q.27 Which of the following is the lightest metal?

(A) mercury

(B) copper

(C) aluminium

(D) lithium

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Q.28 Which two metals combine to form Bell metal?

(A) nickel and copper

(B) zinc and copper

(C) tin and copper

(D) brass and nickel

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Q.29 Which of the following metals is known to pollute the air of big cities with a large number of vehicles?

(A) Lead

(B) Mercury

(C) Iron

(D) Copper

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Q.30 Which of the following metals is used in making the filament of an electric bulb?

(A) platinum

(B) tungsten

(C) carbon

(D) chromium

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