Top 50+ Heat and Temperature Objective Questions & Answers - 1
Question: 1
The coolant used in radiators of automobile engines are
(A) Diesel
(B) Ice
(C) Petrol
(D) Water
Ans: D
Water
Question: 2
The reverse process of vapour becoming liquid is
(A) Vapourisation
(B) Freezing
(C) Condensation
(D) Sublimation
Ans: C
Condensation
Question: 3
The process by which a liquid changes into solid is
(A) Condensation
(B) Boiling
(C) Fusion
(D) Freezing
Ans: D
Freezing
Question: 4
The latent heat of fusion of paraffin wax is
(A) 0.92x105
(B) 1.8x105
(C) 1.13x105
(D) 3.21x105
Ans: B
1.8x105
Question: 5
When sugar is dissolved in water
(A) Water is evaporated
(B) Water is boiled
(C) Water is condensed
(D) Water is cooled
Ans: A
Water is evaporated
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