The hottest part of the gas flame is known as Options: A . &nbspluminous zone B . &nbspdark zone C . &nbspblue zone D . &nbspnon-luminous zone

The hottest part of the gas flame is known as

Question

The hottest part of the gas flame is known as

Options:

A . luminous zone

B . dark zone

C . blue zone

D . non-luminous zone

Answer: Option D
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