1.

Assertion. Phenol is a disinfectant. Reason. Disinfectants are used to stop infection of the wounds.

Answer»

If both assertion and reason are true, and reason is the true explanation of the assertion.
If both assertion and reason are true, but reason is not the true explanation of the assetion.
If assertion is true, but reason if false
If both assertion and reason are false.

Solution :Correct R. DISINFECTANTS are USED in kill microorganisms present in drains, TOILETS etc. Antiseptics are used to stop INFECTION of the wounds.


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