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Standard VIII
Chemistry
Zones of Candle Flame
Question

Which of the following diagrams shows a non-luminous flame?
315295_5aa0622b02c641b9a7bf848330670737.png
  1. I only
  2. II only
  3. I and II
  4. II and IV

A
I only
B
II and IV
C
II only
D
I and II
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Solution
Verified by Toppr

A blue colored flame which produces very little light is called non-luminous flame. In other words when a fuel undergoes complete combustion it is non luminous flame.
326997_315295_ans_58e04b4dfed244fcaddf6768f7c74b58.png

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