Question

# The bottom of cooking vessels gets blackened when used on a gas/kerosene stove due to:Incomplete combustion of the fuel.Excessive consumption of the fuel.Complete combustion of the fuel.Less consumption of the fuel.

Solution

## The correct option is A Incomplete combustion of the fuel.The bottom of cooking vessels gets blackened due to incomplete combustion of fuel leading to wastage of fuel. This incomplete combustion happens due to the partial burning of fuel due to lack of oxygen.

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