Textbook questions III — task. Science CBSE, Class 10.

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

\(2HCl + Mg \rightarrow MgCl_2 + H_2\)
\(H_2SO_4 + Zn \rightarrow ZnSO_4 + H_2\)
\(3H_2SO_4+ 2Al \rightarrow Al_2(SO_4)_3 + 3H_2 \)
\(6HCl + 3Fe \rightarrow 3FeCl_2 + 3H_2 \)

2. Write word equations and then balanced equations for the reaction taking place when –
(b) dilute hydrochloric acid reacts with magnesium ribbon.

\(6HCl + 3Fe \rightarrow 3FeCl_2 + 3H_2 \)
\(2HCl + Mg \rightarrow MgCl_2 + H_2\)
\(H_2SO_4 + Zn \rightarrow ZnSO_4 + H_2\)
\(3H_2SO_4+ 2Al \rightarrow Al_2(SO_4)_3 + 3H_2 \)

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