Answer the questions below, relating your answers only to salts in the following list: sodium chloride, anhydrous calcium chloride, copper sulphate - water.
(a) What name is given to the water in the compound copper sulphate -5- water?
(b) If copper sulphate 5- water is heated, anhydrous copper sulphate is formed. What is its colour?
(c) By what means, other than heating, could you dehydrate copper sulphate -5- water and obtain anhydrous copper sulphate?
(d) Which one of the salts in the given list is deliquescent?