Question

A compound which is prepared from gypsum has the property of hardening when mixed with right quantity of water.

1.Identify the compound and write its chemical formula.

2.Write the chemical equation for its precipitation.

3.List any two uses of the above compound.

Answer 1

1. compound firmed is plaster of Paris. It's chemical formula is CaSo4.1/2H2O

2. CaSO4.2H2O-—heat—> CaSO4.1/2H2O +1.5 H2O

3.It is used for making toys and and decoration purposes

Answer 2

Hey mate....

Here is ur answer....

#A compound which is prepared from gypsum is POP....

I.e Plaster of Paris....

This has the property of hardening....

#Chemical formula...is 2CaSO4.H2O...

The Chemical equation of the precipitate is ....

# 2CaSO4.H2O. + 3H2O --------: 2CaSO4.H2O + Heat...

#POP is mainly used in....

1.. Surgical. bandages..

2..Casting and moulding in dentistry...

3...In making statues.. decoration of roofs etc....

#Hope this helps uu..#..