1.

Assertion (A) : Poisonous gases can be diluted by the process of diffusion Reason (R): Ansil's alarm works on the principle of Graham's law

Answer»

A & R are true, R explains A 
A & R are true, R does not EXPLAIN
A is true R is FALSE 
A is false R is true 

Solution :Diffusion can be used to SEPARATE gases i.e., DILUTION.


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