Answer:
is reduced in the reaction
Explanation:
The given reaction is

The oxidation number of
is changed from 

And The oxidation number of
is changed from 

Hence,
is oxidized and
is reduced
2 C2H6 + 7 O2 -> 4CO2 + 6 H2O
<span>so the products are carbondioxide & water vapour</span>
Mass is measured in kg and weight is measured in pounds.