Each question in this quiz is timed.
A substance that dissolves in a solution is
Solute
Solvent
Copper sulphate solution is transparent.
Milk is not opaque.
Butter in frying pan is example of dissolving.
Dissolving needs two substances, solute and solvent.
What mass of salt solution is made when 10 g of salt is dissolved in 50 g of water?
70g
60g
