8Write equations for the following reactions :
(i) Dilute sulphuric acid reacts with zinc granules.
(ii) Dilute hydrochloric acid reacts with magnesium ribbon.
(iii) Dilute sulphuric acid reacts with aluminum powder.
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(i) when dilute sulphuric acid react with zinc granules, then zinc sulphate and hydrogen gas are formed. Zinc being more reactive than hydrogen, displaces it from sulphuric acid. This liberated hydrogen is evolved as hydrogen gas.
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