Give the name of each of the processes described below which takes place when salts are exposed to air for sometime. (3mks)i) Anhydrous copper sulphate becomes wet. ………………………………………… ii) Magnesium chloride forms an aqueous solution ………………………………… iii) Fresh crystals of sodium carbonate, Na2CO3.10H2O become covered with white powder of formula Na2CO3.H2O ……………………………………………………​