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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 : 66 of 85
Marks: +1, -0
Calcium hydroxide and Ammonium Chloride.
Solution:  
Ammonia gas.
2NH4Cl+Ca(OH)2CaCl2+2H2O+2\mathrm{NH}_4\mathrm{Cl}+\mathrm{Ca}(\mathrm{OH})_2\rightarrow\mathrm{CaCl}_2+2\mathrm{H}_2\mathrm{O}+ 2NH32\mathrm{NH}_3 \uparrow
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