What is reverse osmosis ? Mention any one of its use.

What is reverse osmosis? Mention one of its practical utility.

Mention any one use of nitrogen.

(a) 31 g of an unknown molecular material is dissolved in 500 g of water. The resulting solution freezes at 27.14 K. Calculate the molar mass of the material. [Given: K, for water 1.86 Kgmol^(-1) , T_(f)^(0) of water=273К]. (b) What is reverse osmosis? Mention its use.

What is Reverse Osmosis? Mention its one partical utility.

What is vernalization ? Mention any one of its importance.

(a) Acetone boils at 56.38^@C and a solution of 1.41g of an organic compound in 20 g of acetone boils at 56.88^@C . Calculate the molar mass of the organic compound (Given K_(b) for acetone =1.67 K kg//mol ). (b) What is reverse Osmosis?Mention one important application of it.

Mention any 3 uses of ozone.

mention any one use of iodoform.

What is biodiversity ? Mention any two type of diodiversity .