Question

Write chemical equations for the following chemical reaction - 1.when gypsum is heated above 393K.
2.when CO2 gas is passed through lime water
3.when quick lime reacts with silica

Answer 1

1. When GYPSUM is heated it lose its water molecules... and forma CALCIUM SULPHATE HEMIHYDRATE.


2 . When CO2 gas Is passed through lime water it turns milky.....

3. the It gives calcium silicate....