Describe the procedure usually used to produce compost.

You are provided with a mixture containing sand, iron filings, ammonium chloride and sodium chloride. Describe the procedures you would use to separate these constituents from the mixture?

Describe the methods used to prepare oxides.

Describe the process of sublimation used to separate a mixture.

Describe the principle used and the procedure for the estimation of C and H in an organic compound.

The monomer used to produce orlon is:

What is deionised water? Describe the process used to obtain it.

(a) Name a terminal methode to prevent pregnancy in humans. (b) Describe the procedure of the terminal method carried in human male and female.

Describe three important uses of water .

Anther culture/androgenesis is used to produce