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Physics 9 Chapter 8 - Thermal Properties of Matter -20
1.
When water is heated, it boils at ...................under standard pressure?
a) 32°C
b) 100°C
c) 0°C
d) 42°C
2.
What is the latent heat of vaporization of water?
a) 2.26 x10
6 J kg
-1
b) 3.26 x10
6 J kg
-1
c) 3.36 x10
6 J kg
-1
d) 2.36 x10
6 J kg
-1
3.
What is the melting point of aluminium?
a) 219°C
b) 39°C
c) 1603°C
d) 660°C
4.
What is the boiling point of aluminium?
a) 39°C
b) 1603°C
c) 219°C
d) 2450°C
5.
What is the latent heat of fusion of aluminium?
a) 158.7 J Kg
-1
b) 39.7 J Kg
-1
c) 10500 J Kg
-1
d) 200.7 J Kg
-1
6.
What is the latent heat of vaporization of aluminium?
a) 1575.7 J Kg
-1
b) 105.0 J Kg
-1
c) 10500 J Kg
-1
d) 1645.7 J Kg
-1
7.
What is the melting point of copper?
a) 39°C
b) 1603°C
c) 1083°C
d) 219°C
8.
What is the boiling point of copper?
a) 1603°C
b) 2595°C
c) 219°C
d) 39°C
9.
What is the latent heat of fusion of copper?
a) 205.0 J Kg
-1
b) 158.7 J Kg
-1
c) 10500 J Kg
-1
d) 200.7 J Kg
-1
10.
One kilogramme of water requires how much joules of heat to change it completely into gas at its boiling point?
a) 2.36 x10
6
J
b) 2.26 x10
6
J
c) 3.36 x10
6
J
d) 3.26 x10
6
J
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