plz give correct answer if give wrong answer i will be report
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Answered by
1
Answer:
The answer of this question is
Explanation:
option number 1. The is not cooked properly .
hope it will help you
Answered by
1
Answer:
The fuel is not burning completely.
Explanation:
The reason of the vessel becoming black is the incomplete combustion of the fuel. When fuel is burnt, it must burn with a blue flame without leaving any residue. But here, the vessel becomes black because the fuel isn't getting adequate amount of oxygen and combustion isn't complete.
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