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Q.

On burning fuel, ‘A’ produces CO, CO2,  SO, SO3 and H2O. Fuel ‘B’ produces CO2 and water vapours. Fuel ‘C’ burns with an explosion. Among these three fuels, which fuel do you consider to be a good fuel?


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a

Fuel A is good fuel

b

Fuel B is good fuel

c

Fuel C is good fuel

d

All of the above 

answer is B.

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Detailed Solution

Fuel ‘B’ is considered to be a good fuel.
Fuel ‘B’ is better when compared to A and C as it produces CO2 and H2O (water vapour) on burning. Fuel A releases hazardous gases on burning (SO, O3 ). Fuel C burns with an explosion causing damage to the environment and damage to life on earth. Fuel B releases CO2, which can be consumed by plants, and water vapour is not harmful in any way to the environment.
 
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