Question

explain the following giving chemical equation in each case:
1.bakingsoda is heatd
2.Washing soda is heated.
3.Gypsum is heated at 373k

Answer 1

here is the ans of your question...

1. 2NaHCO3-----> Na2CO3 + H2O + CO2

2. when washing soda is heated in the water of crysatallisation will be absorbed

3 on heating gypsum at 373 k plaster of paris is obtained

CaSO4.2H2O---> CaSO4 .1/2 H2O + 1 1/2 H2O

hope this will help you