set 3 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) Aluminium Oxide
(b) Lead Tetroxide
(c) Silicon Dioxide
(d) Boron Nitride
The correct answers to the above question in:
Answer: (a)
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Read more chemistry gk Based General Science Questions and Answers
Question : 1
Sodium is obtained by the electrolysis of
a) fused sodium chloride
b) an aqueous solution of sodium chloride
c) an aqueous solution of sodium hydroxide
d) fused sodium sulphate
Answer »Answer: (a)
Question : 3
Horn silver is
a) a carbonate ore of silver
b) an oxide ore of silver
c) a sulphite ore of silver
d) a chloride ore of silver
Answer »Answer: (d)
Chemical formula of horn silver is AgCl.
Question : 4
Which are the most abundant elements in the universe ?
a) Hydrogen and Oxygen
b) Hydrogen and Helium
c) Oxygen and Nitrogen
d) Carbon and Nitrogen
Answer »Answer: (c)
Question : 5
The best mealleable metal is –
a) gold
b) aluminium
c) silver
d) lead
Answer »Answer: (a)
Question : 6
Doctors, Artists and Sculptors use Calcium Sulphate which is popularly known as
a) Limestone
b) Bleaching powder
c) Quick lime
d) Plaster of Paris
Answer »Answer: (d)
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