Give reasons for the following – a) Why is sodium kept immersed in kerosene oil? b) Why calcium metal after reaction with water starts floating on it? c) Why plaster of Paris should be stored in a moisture proof container? d) Why is baking soda used as an antacid? e) Why does an aqueous solution of acid conduct electricity?

Give reasons for the following – a) Why is sodium kept immersed in k

1.	Give reasons for the following – a) Why is sodium kept immersed in kerosene oil? b) Why calcium metal after reaction with water starts floating on it? c) Why plaster of Paris should be stored in a moisture proof container? d) Why is baking soda used as an antacid? e) Why does an aqueous solution of acid conduct electricity?
Answer» Give reasons for the following – a) Why is sodium kept immersed in kerosene oil? b) Why calcium metal after reaction with water starts floating on it? c) Why plaster of Paris should be stored in a moisture proof container? d) Why is baking soda used as an antacid? e) Why does an aqueous solution of acid conduct electricity?