set 1 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 3 EXERCISES
The following question based on nature of matter and composition topic of general science mcq
(a) sedimentation
(b) filtration
(c) distillation
(d) sublimation
The correct answers to the above question in:
Answer: (d)
Camphor being a sublime substance can be purified by sublimation.
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Read more nature of matter and composition Based General Science Questions and Answers
Question : 1
Which one of the following is correct? Butter is
a) a molecular solid
b) a supercooled oil
c) an emulsion
d) None of these
Answer »Answer: (d)
Question : 2
Select the one that is a chemical change.
a) Cooking of food
b) Freezing of water
c) Melting of wax
d) None of these
Answer »Answer: (a)
Chemical changes are irrerversible in nature.
Question : 3
The oxide of which of the following elements is used as a coolant?
a) Carbon
b) Silicon
c) Nitrogen
d) Phosphorus
Answer »Answer: (a)
Question : 4
What is the term used to denote the critical temperature at which the air becomes saturated with vapour and below which the condensation is likely to begin ?
a) Dew point
b) Condensation point
c) Evaporation point
d) Point of critical temperature
Answer »Answer: (a)
Question : 5
Amalgam is a solution of
a) liquid in solid
b) solid in solid
c) solid in liquid
d) liquid in liquid
Answer »Answer: (a)
Question : 6
Blue vitriol is
a) Iron sulphate
b) Copper sulphate
c) Calcium sulphate
d) Sodium sulphate
Answer »Answer: (b)
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