What is latent heat of fusion ? What is latent heat of vapourization ? Give its value for water.

What is called change of state of matter ?

When the pressure on water is increased the boiling temperature of water as compared to $100°C$ will be

What are fusion and melting point ? On what does the value of melting point depend ?

Why the cooking is faster in pressure cooker ?

At atmospheric pressure, the water boils at $100°C$. If pressure is reduced, it will boil at