Answers

2015-12-09T15:23:01+05:30
They are in ratio 1:8 i.e for 1g of H gas 8g of oxygen is required
therefore for 4g of H gas 8x4 = 32g of oxygen will be required  
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2015-12-13T14:56:46+05:30
8 gram of oxygen. therefore 32 gram of h gas
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