Question

LPG stove burns with a blue flame. Sometimes the flame becomes yellow and the base of utensils turn black . Give reason for this observation.

Answer 1

Answer:

because when the pressure of gas increases the flame become yellow and the heat instantly turn the utensil black

Answer 2

Answer:

because when the pressure of gas increases the flame become yellow and the heat instantly turn the utensil black

Explanation:

not copied