State one use of the following non-metals:
(a) Oxygen (b) Nitrogen (c) Sulphur (d) Chlorine (e) Iodine
a). Oxygen: ⟶ It is essential for our life, as oxygen is required for respiration.
b). Nitrogen: ⟶ It is used in fertilisers for better plant growth.
c). Sulfur: ⟶ It is used in crackers.
d). Chlorine: ⟶ It is used in water purification process.
e). Iodine: ⟶ It is used in the purple coloured solution (Iodine solution) on wounds as antiseptic.