Question

why the cooking utensil get blackened from outside when we used them for cooking food ?​

Answer 1

Answer:

because of the heat.

Explanation:

as the power of heat,the metal get the black colour.mark.me as brainlist

Answer 2

Answer:

this is because the fuel is not burning completely.

Explanation:

during cooking incomplete combustion happens, that means the fuel not burnt completely. Due to this sooty flame comes and this is the reason why utensil get blackened during cooking

hope it helps! ☺