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ICSE Class 10 Chemistry 2013 Solved Paper

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O2 is evolved by heating KClO3 using MnO2 as a catalyst
2KClO3
MnO2
─────▸
2‌KCl+3O2
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Question : 79
Total: 84
Calculate the volume occupied by 0.01 mole of CO2 at STP.
Solution:  
∵1 mole of CO2 occupied at STP
=22.4l
∴0.01 mole of CO2 occupied at STP
‌=22.4×0.01
‌=0.224l
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