1.

Assertion. CO_(2) above 31^(@)C and 600 pressure is used for removing caffeine from coffee beans. Reason. CO_(2) is gaseous in nature.

Answer»


Solution :CORRECT explanation. `CO_(2)` above `31.1^(@)C` and 600 bar pressure acts as a supercritical fluid which dissolves MANY organic substances like caffeine. Dissolution is not due to `CO_(2)`being gaseous in nature.


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