B and C only.
A, B and D only.
Metal is hard while plastic is soft.
Metal is heavy but plastic is light.
Metal is durable while plastic is less durable.
Metal is a good conductor of heat while plastic is a poor conductor of heat.
Iron lock, pencil, masking tape.
Iron wire, thumb tacks, steel ruler.
Aluminium cup, steel ruler, Plastic bottle.
Steel Spoon, paper towel, wollen scarf.
Liquid X and Y boils at 100ºC.
Liquid Y is a poor conductor of heat.
Liquid Y conducts heat better than Liquid X.
Liquid X conducts heat better than Liquid Y.