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Metals and Non-Metals — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceMetals and Non-Metals1 Mark
Question
Which one of the following properties is not generally exhibited by ionic compounds?
  1. Solubility in water.
  2. Electrical conductivity in solid state.
  3. High melting and boiling points.
  4. Electrical conductivity in molten state.
✓

Answer

  1. Electrical conductivity in solid state.

Explanation: Ionic compounds can conduct electricity in molten or aqueous state due to presence of free ions. In solid state, no free or mobile ions are available for conducting electricity.

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