science worksheet no.2

Worksheet No.2

     Questioning

1).    State the differences between acids and bases

2).   An antacid tablet is taken when you suffer       from acidity. Why?

3).    Describe the process of neutralisation with the help of an example

4).    Why Calamine solution is applied on the skin when an ant bites?

5).    Factory waste is neutralised before disposing it into the water bodies. Why?