MCQ
Which among the following is essential for the combustion to take place?
  • A
    Carbon dioxide
  • B
    Petrol
  • Oxygen
  • D
    Candle

Answer

Correct option: C.
Oxygen
Oxygen

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free