While cooking, if the bottom of the vessel is getting blackened on 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.
Option B. The correct answer is the fuel is not burning completely. While cooking, if the bottom of the vessel is getting blackened on the outside, it means that the fuel is not burning completely. Sometimes, due to lack of oxygen, the fuel does not burn completely.
