Question

While cooking if the bottom of the vessel is getting blackened from the outside it means that

• A. the food is not cooked completely
• B. the fuel is not burning completely
• C. the fuel is wet
• D. the fuel is burning completely

Answer 1

The correct option is B

the fuel is not burning completely

The explanation for the correct answer.

Option (B): The fuel is not burning completely

1. The bottom of the vessel becomes blackened when the fuel is not burning completely.
2. When the fuel does not burn completely a sooty flame is appears due to which bottom of the utensils become black from the outside.
3. This occurs due to blockage of air holes or when there is a lack of Oxygen.
4. Hence the correct option is (B). While cooking if the bottom of the vessel is getting blackened from the outside it means that the fuel is not burning completely.