Question

Plaster of Paris hardens by:
a) losing CaCl2
b) absorbing CO2
c) Absorbing water
d) Releasing water​

Answer 1

Answer:

Plaster of Paris hardens by combining with water.

Explanation:

Plaster of Paris is a salt of calcium metal which is also called as calcium sulfate hemihydrate

Answer 2

Plaster of Paris hardens by c) Absorbing water

• At the point when Plaster of Paris and water are combined as one, they go through a chemical change. The particles rework to make a new substance.
• At the point when Plaster of Paris and water are combined as one, the blend turns out to be warm delivering heat energy consequently going through a substantial change.
• Hence, the Plaster of Paris hardens by the absorption of water.