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Write word equations and then balanced equations for the reaction taking place when – (a) dilute sulphuric acid reacts with zinc granules.

Q 5.  Write word equations and then balanced equations for the reaction 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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Balanced equations are :-

(a) H_2SO_4_{(aq)}+Zn_{(s)}\rightarrow ZnSO_4_{(aq)}+H_2_{(g)}

(b) 2HCl_ {(aq)} + Mg_{(s)}\rightarrow MgCl_{2 (aq)} + H_{2(g)}

(c) 3H_2SO_{4 (aq)} + 2Al_{ (s)} \rightarrow Al_2(SO_4)_{3 (aq)} + 3H_{2 (g)}

(d) 6HCl_ {(aq)} +2Fe_{ (s)} \rightarrow 2FeCl_{3(aq)} +3H_{2(g)}

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