Malachite is an ore of:
Copper
Magnesium
Calcium
Both magnesium and calcium
Malachite is CuCO3.Cu(OH)2
Which of the following ore contains both magnesium and calcium
Write the chemical formulae of the following:
(a) Magnesium chloride
(b) Calcium oxide
(c) Copper nitrate
(d) Aluminium chloride
(e) Calcium carbonate