Question

1. baking powder and baking soda can lose their freshness and not work as well, even before the expiration date. how would you go about testing whether yours is fresh enough to make cookies? type your answer here.

Explanation:

To test baking powder, add a teaspoon to a half - cup of warm water. If it fizzes vigorously, it's fresh. For baking soda, mix a quarter - teaspoon with a few drops of vinegar. A strong fizz indicates freshness.

Answer:

For baking powder, add 1 teaspoon to 1/2 cup warm water and check for vigorous fizzing. For baking soda, mix 1/4 teaspoon with a few drops of vinegar and look for strong fizzing.