Question
State two characteristics of water which prove that it is a – compound.

Answer

Characteristics of compounds
  1. Elements in a compound are present in a definite proportion. Example 2 atoms of hydrogen combine with 1 atom of oxygen to give $1$ molecule of water (compound) $H_2 + O = H_2O$(water)
  2. Compounds have a definite set of properties
    Example: The properties of the compound water are different from the properties of the elements of hydrogen and oxygen in the water.

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