MCQ
ater consists of hydrogen and oxygen in the ratio of ______by volume:
  • A
    1 : 1
  • B
    1 : 2
  • 2 : 1
  • D
    3 : 1

Answer

Correct option: C.
2 : 1
  1. 2 : 1
Explanation:
Water consists of hydrogen and oxygen in the ratio of 2 : 1 by volume.
$2 \mathrm{H}_2 \mathrm{O}+\mathrm{O}_2 \rightarrow 2 \mathrm{H}_2 \mathrm{O}$.

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