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1
Q:

Which part of the flame is the hottest?

A) Blue Zone B) Luminous Zone
C) Dark Zone D) Non - Luminous Zone

Answer:   A) Blue Zone



Explanation:

Blue Zone is the hottest part of the flame that is where the flame has the most Oxygen and you are getting complete combustion. It is about 1400 degrees Centigrades. The Reddish part (Non - Luminous Zone) is the coolest part, about 800 deg C.

Subject: Physics
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