What will happen if you use baking powder AND self-raising flour?

Question

What will happen if you use baking powder AND self-raising flour?

Answer 1

Nothing. Add a bit of water and it makes a refreshing drink.

Answer 2

KA-BOOM!

Answer 3

for 1 why, its already in there. but if you do it will rise more than you would want, cause in you product to lose its texture and will be dry and crusty.but good luck says bacondebaker

Answer 4

Just Do It!