Seperation of mixtures
1) A mixture of copper sulphate crystals and chalk powder can be seperated by following several processes. The correct order of these processes is
a) filtration, solution, evaporation
b) evaporation, filtration, solution
c) solution, filtration, evaporation
d) solution, evaporation, filtration
2) Describe a simple experiment to seperate a mixture of sand, sodium chloride and iodine.
3i ) In the apparatus used for the distillation of sea water, why does the water go in at the bottom of the condenser and out at the top and not the other way round?
ii) Why are porcelain chips added to the round bottomed flask before being heated?
4) Describe an experiment to show how a mixture of alcohol and water can be seperated.
er..I know that's alot of questions...could anyone hepl me with them? :?: