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ICSE Class 10 Chemistry 2016 Paper

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Write balanced chemical equations for each of the following :
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Question : 12 of 85
Marks: +1, -0
Action of hot and concentrated Nitric acid on copper.
Solution:  
Cu+4HNO3→Cu(NO3)2+2H2O+\mathrm{Cu} + 4 \mathrm{HNO}_3 \rightarrow \mathrm{Cu} ( \mathrm{NO}_3 )_2 + 2 \mathrm{H}_2 \mathrm{O} + 2NO22 \mathrm{NO}_2
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