Question

plz tell me what is the mixture of CH4 or O2​

Answer 1

Answer:

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Explanation:

A mixture of CH4 & O2 is used as an optimal fuel if O2 is present in thrice the amount required theoretically for combustion of CH4. ... If calorific value (heat evolved when 1 mole is burnt) of CH4 is 100 cal/mole & if after each effusion 80% of CH4 is collected.