Question 3 — Water, a compound, has - Questions at the end of the chapter - Chapter 8 Class 8 - Nature of Matter: Elements, Compounds (Curiosity)

Last updated at July 13, 2026 by

Q 3
Question

Water, a compound, has different properties compared to those of the elements oxygen and hydrogen from which it is formed. Justify this statement.

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Answer
A compound's properties differ completely from its elements.

Explanation

Substance Property
Hydrogen A fuel; it burns.
Oxygen Supports combustion (helps burning).
Water Puts out fire; does not burn.
  • In a compound, elements join chemically in a fixed ratio.
  • The new substance behaves differently from its elements.
Water extinguishes fire, unlike its elements hydrogen and oxygen, proving a compound has new properties.
← Back to concept: 8.3.2 Compounds
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