Name the term used to describe the mixing of copper sulphate and water kept in a beaker on its own.
Answer the question below, relating your answers only to salts in the following list : Sodium chloride, anhydrous calicum chloride, copper sulphate-5-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 ?