Light a candle . Hold a glass tube with a pair of tongs and introduce it's one end in the dark zone of non flickering candle flame. Bring a lighted matchstick near the other end of glass tube. You see a flame. what is it that produces a flame? *
(A) ਮੋਮ ਦੇ ਵਾਸ਼ਪ Wax vapours
(B) ਜਲ ਵਾਸ਼ਪ Water vapours
(C) ਅਣਜਲੇ ਕਾਰਬਨ Unburnt carbon
(D ) ਕੋਈ ਵੀ ਨਹੀਂ None of the above
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Answer:
the answer is the wax vapours
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