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

What is gypsum? What happens when gypsum is heated to 100°C (373 K)?

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

Which is the real bleaching agent present in bleaching powder?

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

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