Talcum powder has magnesium carbonate and zinc oxide.
Describe giving all practical details, how would you prepare :
(a) copper sulphate crystals from a mixture of charcoal and black copper oxide,
(b) zinc sulphate crystals from zinc dust (powdered zinc and zinc oxide),
(c) sodium hydrogen carbonate crystals.
(d) Calcium sulphate from calcium carbonate.
Write an equation for the reactions of hydrochloric acid on (a) silver nitrate solution, (b) magnesium foil, (c) caustic soda solution, (d) zinc carbonate, (e) manganese (IV) oxide, (f) copper oxide.
Calculate Formula Unit mass for Zinc Oxide, Sodium Oxide, Sodium Chloride, Magnesium Carbonate, Copper Sulphate, Sodium Carbonate, Ammonium Hydroxide.