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) liquid in solid
(b) solid in solid
(c) solid in liquid
(d) liquid in liquid
The correct answers to the above question in:
Answer: (a)
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Read more nature of matter and composition Based General Science Questions and Answers
Question : 1
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 : 2
Camphor can be purified by
a) sedimentation
b) filtration
c) distillation
d) sublimation
Answer »Answer: (d)
Camphor being a sublime substance can be purified by sublimation.
Question : 3
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 : 4
Blue vitriol is
a) Iron sulphate
b) Copper sulphate
c) Calcium sulphate
d) Sodium sulphate
Answer »Answer: (b)
Question : 5
When a gas is compressed keeping temperature constant, it results in
a) decrease in speed of gaseous molecules
b) increase in speed of gaseous molecules
c) increase in collision among gaseous molecules
d) decrease in collision among gaseous molecules.
Answer »Answer: (d)
Question : 6
Which one among the following statements regarding the properties of mixtures and compounds is not correct?
a) The constituents of a mixture can be separated by physical methods but those of a compound cannot be separated by physical methods
b) A mixture shows the properties of its constituents but the properties of a compound are entirely different from its constituents
c) A mixture may be homogeneous or heterogeneous but a compound is a homogeneous substance
d) Energy is either absorbed or evolved during the preparation of a mixture but not in the preparation of a compound
Answer »Answer: (d)
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