Want this question answered?
Yes, baking powder reacts with lemon juice. It is similar to baking soda and viniegar. Baing soda is a base, and lemon juice is acidic. When mixed, CO2 is created.
Baking powder is a mixure of powdered baking soda and the powder, 'Cream of Tartar' with a bit of cornstarch to keep the mixture from clumping.
Baking powder is a mixture of backing soda and other compounds
You might be thinking of baking soda, which needs vinegar, buttermilk, or lemon juice to activate. Baking powder is a blend of simple chemicals, and activates with water.
I suppose so, but the taste will be VERY different.
The water will change it's color and taste.
it dies
Baking powder is a mixture of a carbonate or bicarbonate and a weak acid. If you don't have any on hand you can make your own by mixing baking soda with lemon juice.
Most are made with yeast, so they don't contain any baking powder.
It will expand
Apple juice
Yes. However, if you use baking soda instead of powder, you'll need to include some acid. A teaspoon of lemon juice or using buttermilk instead of regular milk will work.