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  • Understanding Matter - 2 (Class IX)
  • Which of the following pure substances is a compound?
Multiple choice

Which of the following pure substances is a compound?

  1. Water

  2. Hydrogen

  3. Iron

  4. Mercury

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Water is the purest substance in which hydrogen and oxygen combine with each other in a definite ratio, that is 1 : 8.

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