Question

Balance it : Copper(I) sulphide + oxygen ( Copper(I) oxide + Sulphur dioxide
xvi) Copper (I) oxide + Copper(I) sulphide ( Copper + Sulphur dioxide
xvii) Aluminium + Copper(II) sulphate ( Aluminium sulphate + copper
xviii) Copper + dilute nitric acid ( copper(II) nitrate + Nitric oxide + water
xix) Methane + Oxygen ( Carbon dioxide + water
xx) Chlorine + water ( Hydrogen Chloride + oxygen
xxi) Potassium dichromate + sulphuric acid + sulphur dioxide ( Potassium sulphate + Chromium sulphate + water
xxii) Mercuric sulphide + oxygen ( Mercury + oxygen + sulphur dioxide
xxiii) Slaked lime + chlorine ( Bleaching powder + water
xxiv) Calcium carbonate + water + carbon dioxide ( Calcium bicarbonate
xxv) Ammonium dichromate ( Chromium oxide + nitrogen + water​

Answer 1

Answer:

cuso4+2O2==2cuo+so2