Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) Which of the following technique is based on adsorption phenomenon - - Sarthaks eConnect
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Practice Online Test Series for JEE Main 2018 & NEET 2018

Which of the following technique is based on adsorption phenomenon :-

Which of the following technique is based on adsorption phenomenon :-

A.

Gas chromatography

B.

Pollution control technique

C.

Purification process in chemical chemistry

D.

All of the above
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