show by an activity that leguminous zone of a candle flame contains unburnt carbon particles
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The circular dark ring is formed on the slide by deposition of unburnt carbon particles present (middle) luminous zone of the candle.
The copper wire takes the least time to become red hot when introduced into the (outermost) non luminous zone of the flame as this zone has the highest temperature.
The copper wire takes the least time to become red hot when introduced into the (outermost) non luminous zone of the flame as this zone has the highest temperature.
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