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Write balanced chemical equations for th...

Write balanced chemical equations for the following reactions :
(i) dilute sulphuric acid reacts with aluminium powder.
(ii) dilute hydrochloric acid reacts with sodium carbonate.
(iii) Carbon-dioxide is passed through lime water.

Text Solution

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a. `2Al(s)+3H_(2)SO_(4)("dil")toAl_(2)(SO_(4))_(3)(aq)+3H_(2)(g)`
b. `Na_(2)CO_(3)(s)+2HCl("dil")to2NaCl(aq)+H_(2)O(I)+CO_(2)(g)`
c. `Ca_(2)(OH)_(2)(aq)+CO_(2)(g)toCaCO_(3)(s)+H_(2)O(I)`
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