Question

The white powder used by doctors for medical purpose
1. chemical name
what happens when it is diluted in h20.

Answer 1

cholestyramine poder is the white powder used by doctors for medical purpose

Answer 2

The powder used by the doctor is Plaster of Paris. ( CaSO4 .1/2 H2O)
When it is diluted in water, it changes to gypsum.
CaSO4. 1/2H2O + 3/2 H2O= CaSO4.2H2O (gypsum)