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In which of the following method of purification, metal is converted to its volatile compound which is decomposed to give pure metal?
CBSE | Chemistry | Class 12 | Exercise 1 | General Principles and Processes of Isolation of Elements | NCERT Exemplar
In which of the following method of purification, metal is converted to its volatile compound which is decomposed to give pure metal?

(i) heating with a stream of carbon monoxide.

(ii) heating with iodine.

(iii) liquation.

(iv) distillation.

 

Correct Answers:

(i) heating with a stream of carbon monoxide

(ii) heating with iodine

Explanation: Heating with iodine or with a steam of carbon monoxide are the methods of purification in which the metal is converted to its volatile

compound which is decomposed to give pure metal.

i

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