Question

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​

Answer 1

Answer:

(A) ਮੋਮ ਦੇ ਵਾਸ਼ਪ Wax vapours

Explanation:

When we bring a lighted matchstick near the other end of the glass tube then we observe a flame. The vapourised wax from candle produces this flame.

Answer 2

Wax vapours that produces a flame.

Explanation:

• We see a flame when we bring a lit matchstick close to the glass tube's opposite end. This flame is created by vaporised wax from a candle.
• Let's do an activity to better comprehend this phenomenon.
• Hold a glass tube with tongs and place one end in the black zone of the non-flickering candle flame
• Place a lighted match stick near the other end of the glass tube