Specific latent heat of vaporisation of water is
336 J/g
2260 J/g
4200 J/g
1000 J/g
1 cal =
481.6 J
4.186 J
48.16 J
41.86 J
Specific heat of water is
420 J/kg°C
42 J/kg°C
2420 J/kg°C
4200 J/kg°C
Which of the following is an example for insulator?
Copper
Iron
Steel
Rubber
Which of the following is slow process?
Sublimation
Boiling
Evaporation
Both a and b
How much heat energy is liberated when 10 kg of water freezes to form ice at 0 °C?
336 x 104J
336 J
3360 J
33600 J
SI unit of specific latent heat is
J/kg
J/°C
J
Jkg
The change of state from liquid to solid due to the release of heat is
Freezing
Vaporisation
Fusion
Liquefaction
The change of state from soild to liquid due to the absorption of heat at a constant temperature is
SI unit of heat is
Calorie
Kilocalorie
Joule
Watt
