On placing an inverted tumbler over a burning candle, the flame extinguishes after some time. This is because of non-availability of
  1. oxygen
  2. water vapours
  3. carbon dioxide
  4. wax

AcademicChemistryNCERTClass 8

Correct Answer: (a) oxygen  

Explanation: The flame extinguishes because of non-availability of oxygen. Air or oxygen is necessary for combustion. 

Updated on 10-Oct-2022 13:25:41