Question

answer this question​

Answer 1

Baking powder is a dry chemical leavening agent, a mixture of a carbonate or bicarbonate and a weak acid. The base and acid are prevented from reacting prematurely by the inclusion of a buffer such as cornstarch. Baking powder is used to increase the volume and lighten the texture of baked goods.

Hence 4 is correct option

Answer 2

$\texit{Hey\:i\:am\:your\:answer}$