Give 2 u
- Give 2 uses of energy
- Give 2 uses of water
- Give 2 uses of prussian blue
- Give 2 uses of air
- Give 2 uses of oxygen
- Give 2 uses of convex mirror
- Give 2 uses of concave mirror
- Give 2 uses of clay that you know
- Give 2 uses of ethanol
- Give 2 uses of calcium chloride
- Give 2 uses of the energy released in respiration
- Give 2 uses of nitrogen
- Give 2 uses
- Give 2 uses of aluminium
- Give 2 uses of chlorine