Assertion: Tartaric acid is a constituent of baking powder.
Reason: Tartaric acid is present in tamarind.
Both assertion and reason are correct but the reason is not the correct explanation of the assertion.
Explanation for the assertion:
Baking Powder: It is a mixture of baking soda(NaHCO3) and Tartaric acid(C4H6O6) and is used in the baking industry to make confectionaries soft and fluffy.
Explanation for the reason statement:
Therefore, both assertion and reason are correct but the reason is not the correct explanation of the assertion.
Hence, the correct option is (B).