Write chemical formula of ore of zinc

Write chemical formula of galena

(a) Name the method by which aluminium metal is extracted. (b) Give the name and chemical formula of one ore of copper. (c). How is zinc extracted from its carbonate ore (calamine) ? Explain with equations.

Write the chemical formulae of the following ores : (a) Haematite (b) Magnetite (c) Limonite (d) Siderite

Write chemical formulae of the following ores: (a ) Calamine (b ) Haematite (c ) Magnetite (d) Corundum

Write the chemical formula of cryolite

Write the chemical formula of chlorophyll a.

Write the chemical formulae of : Sodium phosphate