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GK QUESTION#3178

Which of the following statements about metals and non-metals is incorrect?

  1. AMany metal oxides are basic.
  2. BNon-metals are malleableCorrect answer
  3. CSolid non-metals are generally not sonorous.
  4. DMetals generally have lower ionisation energies than non-metals.
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Answer

B. Non-metals are malleable

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Explanation

Solid non-metals are generally brittle rather than malleable. Metals commonly have lower ionisation energies and many form basic oxides, though amphoteric and other exceptions exist. Thus option B is incorrect.

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