Declining methods

Describe the following methods for determination of equivalent weight of a metal : (i) oxide formation method (ii) chloride formation method (iii) metal displacement method.

Outline the principples behind the refining of metals by the following methods : (i) Zone refining method (ii)Chormatographaphic method

On what priciple are the following methods of separation based? Give on example of a mixture of the methods mentioned in which they are used. Solvent extraction method

Which one of the following method is commonly used method for destruction of colloid:

Which one of the following method is commonly used method for destruction of colloid:

Expand 'ELISA'. Why is this method preferred over conventional methods of diagnosis of diseases ?

(a) Give two reason for avoiding frequent pregnancies by women. (b) Explain the following methods of contraception giving one example of each. (i) Barrier method (ii) Chemical method (iii) Surgical method

Recycling is a method for controlling

Linear method