Oxygen carbon and hydrogen
Answer:
Coefficient of
is more than 4
Explanation:
Oxidation: 
- Balance charge:
......(1)
Reduction: 
- Balance Cr:

- Balance O and H in acidic medium:

- Balance charge:
.......(2)
gives balanced equation:

So coefficient of
is more than 4
What exactly is the question you are asking?
Answer:
MIXTURE , ELEMENT AND SUBSTANCE
Answer:
C3H6
Explanation:
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