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ICSE Class 10 Chemistry 2015 Paper

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Give balanced chemical equations for each of the following :
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Question : 57 of 85
Marks: +1, -0
Lab preparation of ammonia using an ammonium salt.
Solution:  
  2NH4Cl+Ca(OH)2→CaCl2\;2\mathrm{NH}_4\mathrm{Cl} + \mathrm{Ca}(\mathrm{OH})_2 \rightarrow \mathrm{CaCl}_2 +2NH3+2H2O+ 2\mathrm{NH}_3 + 2\mathrm{H}_2\mathrm{O}
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