set 4 MCQ Questions & Answers Detailed Explanation

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The following question based on metals, non metals, minerals, ores, properties, uses topic of general science mcq

Questions : Which one of the following liquids is very good conductor of heat?

(a) Water

(b) Ether

(c) Mercury

(d) Benzene

The correct answers to the above question in:

Answer: (c)

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Question : 1

Which ore contains both iron and copper?

a) Chalcopyrite

b) Cuprite

c) Chalcocite

d) Malachite

Answer: (a)

Among cuprite [Cu2O], Chalcocite [Cu2 S], Chalcopyrite [CuFeS2 ] and Malachite [Cu(OH)2 CuCO3 ], only Chalcopyrite is an ore which contains both Fe and Cu.

Question : 2

Aluminium metal is obtained from

a) Graphite

b) Bauxite

c) Pitch blende

d) Argentite

Answer: (b)

Question : 3

The most abundant metal in the earth’s crust is -

a) aluminium

b) iron

c) copper

d) mercury

Answer: (a)

Question : 4

There is no reaction when steam passes over

a) Copper

b) Carbon

c) Aluminium

d) Iron

Answer: (c)

Question : 5

Pearl is mainly constituted of

a) Calcium Sulphate

b) Calcium Carbonate

c) Calcium Oxalate

d) Calcium Oxide

Answer: (b)

Question : 6

What is anode mud –

a) impurities collected at anode in electrolysis during purification of metals

b) fan of anode

c) metal of anode

d) all of these

Answer: (a)

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