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ICSE Class 10 Chemistry 2016 Paper

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Name the gas evolved when the following mixtures are heated :
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Question : 67 of 85
Marks: +1, -0
Sodium Nitrite and Ammonium Chloride.
Solution:  
Nitrogen gas.
NH4Cl+NaNO2NaCl+2H2O+N2\mathrm{NH}_4\mathrm{Cl}+\mathrm{NaNO}_2\rightarrow\mathrm{NaCl}+2\mathrm{H}_2\mathrm{O}+\mathrm{N}_2\uparrow
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