RegularHuskii RegularHuskii

19-05-2024
Chemistry

Answered

Please answer the questions

Please answer the questions class=

Answer :

ibrahimsardar ibrahimsardar

19-05-2024

I can answer (a) and (d)
For a:-
The candle flame went out due to lack of O2 gas.Oxygen gas is very inportant for combustion process.
General equation for combustion is
CH4 + 2O2 → CO2 + 2H2O

For d:-
The air is made of following major elements
1 nitrogen 78%
2 Oxygen 21%
3 Argon. 0.93% almost 1%

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