In the presence of water,the ignition temperature of paper is -----

What is ignition temperature?

The triple point temperature of water is _______

Represent freezing and boiling temperature of water in Celsius as well as in Kelvin scales.

Temperature of water at the surface of lake is – 20°C. Then temperature of water just below the lower surface of ice layer is

The presence of water vapour in the atmosphere is called. …………..

If 50g of water at 20^@ C temperature and 50 g of water 40^@ C temperature are mixed, what is the final temperature of the mixture?