Match the following.

Column A	Column B
a. We need water to	p. rain
b. Water from a factory is	q. drink
c. The main source of water is	r. germs
d. Boiled water is safe to	s. dirty
e. Dirty water has	t. live

 

Mention whether heating or cooling is required to carry out this change. Write 'H' for heating and 'C'  for cooling.  

Ice$\to$water

Mention whether heating or cooling is required to carry out this change. Write 'H' for heating and 'C'  for cooling.

Water$\to$ice$\to$

Write whether heating or cooling is required to carry out this change. Write 'H' for heating and 'C' for cooling.

Water$\to$ Steam$\to$

Write whether heating or cooling is required to carry out this change. Write 'H' for heating and 'C' for cooling.

Steam$\to$ water$\to$