Give the principle of estimation of nitrogen by Dumas method.

Discuss the principle of estimation of halogens, sulphur and phosphorus present in an organic compound?

Name the method for estimation of Halogen

Give the basic principle of potentiometer.

Give the basic principle of chromatography.

Aluise method is used for estimation of

In the Dumas method for the estimation of nitrogen, the gas collected in nitrometer is: (1)N2 (2)NH3 (3)N2+CO2 (4)CO2

In the Kjeldahl's method for estimation of nitrogen in a soil sample, ammonia evolved from 0.75 g of sample neutralised 10 ml of 1 M H_(2) SO_(4) . The percentage of nitrogen in the soil is

Outline the principles of refining of metals by the following methods.Zone refining.

Outline the principles of refining of metals by the following methods.Electrolytic refining.