Question

28] Write balanced equations for the following:
Aluminum + Oxygen - Aluminum oxide
ü) Barium chloride + Sulphuric acid - Barium sulphate + Hydrochloric acid
iii] Cinnabar + Oxygen - Mercuric oxide + Sulphur dioxide

Answer 1

Answer:

Aluminum + Oxygen - Aluminum oxide

⇒ 4Al + 3O2 →2Al2O3

Barium chloride + Sulphuric acid - Barium sulphate + Hydrochloric acid ⇒ BaCl2 + H2SO4 → BaSO4 + 2HCl

Cinnabar + Oxygen - Mercuric oxide + Sulphur dioxide

⇒ 2HgS + 3O2 → 2HgO + 2SO2

Explanation: