Question

Lull. Sulphuric acid → Zinc sulphate + Water + Sulphur dioxide
(iv) Aluminium + Water + Caustic soda → Sodium metaaluminate + Hydrogen
(v) Zinc hydroxide + Caustic soda solution → Sodium zincate + Water
(vi) Potassium chlorate 4, Potassium chloride + Oxygen
(vii) Lead dioxide + conc. Hydrochloric acid -> Lead chloride + Water + Chlorine
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Answer 1

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