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Question

Write word equations and then balanced equations for the reactions taking place when
(a) dilute sulphuric acid reacts with zinc granules.
(b) dilute hydrochloric acid reacts with magnesium ribbon.
(c) dilute sulphuric acid reacts with aluminium powder.
(d) dilute hydrochloric acid reacts with iron filings.

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Solution

(a) Sulphuric acid + Zinc Zinc sulphate + Hydrogen

H2SO4+ZnZnSO4+H2

(b) Hydrchloric acid + Magnesium Magenssium chloride + Hydrogen

2HCl+MgMgCl2+H2

(c) Sulphuric acid + Aluminium Aluminium sulphate + Hydrogen

3H2SO4+2AlAl2(SO4)3+3H2

(d) Hydrchloric acid _ Iron Iron (II) chloride + Hydrogen

2HCl+FeFeCl2+H2

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