set 4 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 4 EXERCISES
The following question based on metals, non metals, minerals, ores, properties, uses topic of general science mcq
(a) Copper
(b) Carbon
(c) Aluminium
(d) Iron
The correct answers to the above question in:
Answer: (c)
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Read more chemistry gk Based General Science Questions and Answers
Question : 1
Which one of the following liquids is very good conductor of heat?
a) Water
b) Ether
c) Mercury
d) Benzene
Answer »Answer: (c)
Question : 2
Which ore contains both iron and copper?
a) Chalcopyrite
b) Cuprite
c) Chalcocite
d) Malachite
Answer »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 : 3
Aluminium metal is obtained from
a) Graphite
b) Bauxite
c) Pitch blende
d) Argentite
Answer »Answer: (b)
Question : 4
Pearl is mainly constituted of
a) Calcium Sulphate
b) Calcium Carbonate
c) Calcium Oxalate
d) Calcium Oxide
Answer »Answer: (b)
Question : 5
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 »Answer: (a)
Question : 6
The process of extraction of metal from its ores, is known as
a) purification
b) concentration
c) calcination
d) metallurgy
Answer »Answer: (d)
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