Question

Match the following:

:

Answer 1

A. Plaster of paris - 4. $CaS{O}_4.\frac{1}{2}{H}_{2}O$

B. Gypsum - 7. $CaS{O}_4.2H_{2}O$

C. Bleaching powder - 5. $CaOC{l}_2$

D. Baking soda - 2. $NaHC{O}_3$

E. Washing soda - 1. $N{a}_{2}C{O}_3$