1. Match the following : A 1. Washing Soda

Question

1. Match the following :

A	B
1. Washing Soda  2. Plaster of Paris  3. Slaked lime  4. Bleaching power	CaSO4.2H2O NaOH CaCOCl2 Ca(OH)2 CaO Na2CO3 CaSO4.1/2H2O

2. Study the list of elements given below: 

Na, Mg, Li, B, C 

Select the pairs showing diagonal relationship. 

3. Write the chemical equation showing the reaction of sodium metal with water.

Answer 1

A	B
1. Washing Soda  2. Plaster of Paris  3. Slaked lime  4. Bleaching power	Na2CO3 CaSO4.1/2H2O Ca(OH)2 CaCOCl2

 2. Li, Mg 

3. 2Na + 2H₂O → 2NaOH + H₂