how will I obtain pure samples of

Question

Solid     cold water     hot water 
P           soluble           soluble 
Q           insoluble      insoluble 
R           insoluble       soluble 

How will I obtain pure samples P, Q and R  

Answer 1

You will mix. P, R,Q, in hot water. P, R will mix leaving Q not micible. Then add cold water to the solution andP,R will be seperated.

Answer 2

Q=filtration 
P=  evaporation 
R=evaporation,filtration