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ICSE Class 10 Chemistry 2018 Paper

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Name the gas that is produced in each of the following cases :
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Question : 32 of 80
Marks: +1, -0
Action of cold and dilute nitric acid on copper.
Solution:  
Nitric oxide
  Cu+8HNO3→Cu(NO3)2+2NO↓\; \mathrm{Cu} + 8 \mathrm{HNO}_3 \rightarrow \mathrm{Cu} (\mathrm{NO}_3)_2 + 2 \mathrm{NO} \downarrow +4H2O+4 \mathrm{H}_2\mathrm{O}
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