Question

The hottest part of the gas flame is known as
A.luminous zone
B.dark zone
C.blue zone
D.non-luminous zone

Answer 1

hey frnd....
here is your answer....

The hottest part of the gas flame is known as NON - LUMINOUS ZONE
i.e, the ans is option d.


hope this will help you....
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Answer 2

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D.non-luminous zone


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