Which is the real bleaching agent present in bleaching powder?

Name a sodium compound which is used for making borax and glass.

Name the compound whichis used in hospitals for setting fractured bones.

What is "baking powder"? How does it make the cake soft and spongy?

What is the role of substance X in the baking powder?

In addition to sodium hydrogen carbonate, baking powders contain a substance X. Name the substance X.

What is the role of substance X in the baking powder?