1.

Assertion: After using C Cl_(4) to extinguish fire, the room must be well-ventilated. Reason: Atmospheric oxygen can convert C Cl_(4) into poisonous phosgene (COCl_(2)) gas.

Answer»

If both ASSERTION and REASON are CORRECT and reason is correct EXPLANATION for assertion
If both assertion and reason are correct but reason is not correct explanation for assertion.
If assertion is correct but reason is incorrect.
if both assertion and reason are incorrect.

Solution :Reason is the correct explanation for assertion.


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