1.

Assertion (A): Tooth decay starts when the pH of the mouth is lower than 5.5. Reason (R) : Bee-sting leaves an acid which causes pain and irritation.

Answer»

Both (A) and (R) are true and (R) is CORRECT explanation of the assertion.
Both (A) and (R) are true but (R) is not the correct explanation of the assertion.
(A) is true but (R) is FALSE.
(A) is false but (R) is true.

Solution :Both assertion and REASON statements are true but reason is not the explanation of assertion.


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