Question

Holding a glass tube with a pair of tongs and introduce its one end in the dark zone of a non-flickering candle flame .There is a flame on other end of glass tube. What conclusion would you draw?​

Answer 1

Explanation:

Hold a glass tube with a pair of tongs and introduce its one end in the dark zone of a non-flickering candle flame. Bring a lighted matchstick near the other end of the glass tube. You will see the flame. Notice that the wax near the heated wick melts quickly