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Physics 9 Chapter 8 - Thermal Properties of Matter -19
How much heat is required to melt 1 kg of ice into water at 0
a) 6.36 x10
b) 3.36 x10
c) 4.36 x10
d) 8.36 x10
What is the time taken by ice to melt completely at 0˚C?
a) 5.6 min
b) 6.6 min
c) 3.6 min
d) 4.6 min
What is the specific heat of water?
a) 2530.0 J Kg
b) 9300.0 J Kg
c) 4200.0 J Kg
d) 3580.0 J Kg
What is the latent heat of fusion of ice found by the experiment?
a) 8.24 x10
b) 6.23 x10
c) 4.26 x10
d) 3.29 x10
When heat is given to a liquid at its boiling point, its temperature............................?
a) Remains constant
b) Always increases
The heat energy given to a liquid at its boiling point is used up in changing its state from......................................?
a) Liquid to plasma
b) Liquid to gas
c) Liquid to solid
d) Liquid to liquid
What is the quantity of heat called that changes unit mass of a liquid completely into gas at its boiling point without any change in its temperature?
a) Latent heat of melting
b) Latent heat of vaporization
c) Latent heat of freezing
d) Latent heat of fusion
How is latent heat of vaporization denoted?
What is the formula of latent heat of vaporization?
a) Latent heat of vaporization = ∆Q
b) Latent heat of vaporization = ∆Q
c) Latent heat of vaporization = ∆Q
d) Latent heat of vaporization = ∆Q
What is the time taken by water to heat from 0˚C to 100˚C?
a) 3.6 min
b) 6.6 min
c) 4.6 min
d) 5.6 min
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