The uses of some non metals. Here are some interesting ones. We are sure that you will guess them right:
1) Non-metal is essential for our life which all living beings inhale during breathing,
2) Non-metals used in fertilisers to enhance the growth of plants,
3) Non-metal used in water purification process,
4) Non-metal used in the purple coloured solution which is applied on wounds as an antiseptic,
5) Non-metals used in crackers.
You may add some more uses of metals and non-metals from your experiences.