A white coloured powder is used by doctors for supporting fractured bones. (a) Write chemical name and formula of the powder. (b) When this white powder is mixed with water a hard solid mass is obtained. Write balanced chemical equation for the change.

A white coloured powder is used by doctors for supporting fractured bo

1.	A white coloured powder is used by doctors for supporting fractured bones. (a) Write chemical name and formula of the powder. (b) When this white powder is mixed with water a hard solid mass is obtained. Write balanced chemical equation for the change.
Answer» Solution :(a) CALCIUM sulphate hemihydrate. `CaSO_(4).(1)/2H_(2)O` (b) `CaS_(4).(1)/2H_(2)O+3/2H_(2)OtoCaSO_(4).2H_(2)O`