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ICSE Class 10 Chemistry 2022 Paper

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Complete and balance the following chemical equations :
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Question : 19 of 55
Marks: +1, -0
  C2H6+O2   [excess]   →\; \mathrm{C}_2 \mathrm{H}_6 + \mathrm{O}_2 \; \text{ [excess] } \; \rightarrow
Solution:  
  2C2H6+7O2   (excess)   →4CO2+6H2O\; 2 \mathrm{C}_2 \mathrm{H}_6 + 7 \mathrm{O}_2 \; \text{ (excess) } \; \rightarrow 4 \mathrm{CO}_2 + 6 \mathrm{H}_2 \mathrm{O}
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