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ICSE Class 10 Chemistry 2016 Paper

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Write a balanced chemical equation for each the following :
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Question : 42 of 85
Marks: +1, -0
Burning of ethane in plentiful supply of air.
Solution:  
  2C2H6ethane+7O24CO2+6H2O\;\underset{\text{ethane}}{2\mathrm{C}_2\mathrm{H}_6} + 7\mathrm{O}_2 \rightarrow 4\mathrm{CO}_2 + 6\mathrm{H}_2\mathrm{O}
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