Heat 1

Melting means solid converts to

• liquid

• gas

• both

• none

liquid convert to gas at constant temperature is

• melting

• boiling

• evaporation

• freezing

Which the following is a warming process

• evaporation

• condensation

• boiling

• all of the above

When ice melts its temperature is

• remains constant

• increases

• decreases

• cannot say

Rate of evaporation of a liquid depends on

• surface area

• temperature

• amount of water vapour

• all of the above

Which of the following is a cooling process

• evaporation

• condensation

• boiling

• all the above

Heat is a form of....

S.I. Unit of temperature is....

S.I.Unit of heat is....

1 calorie=.............