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NEETChemistryd and f Block Elements

What is the characteristic of "noble" metals?

Options

  1. AThey dissolve in mineral acids.
  2. BThey are unaffected by single acids.
  3. CThey are highly reactive.
  4. DThey react with hydrogen ion (H+).

Correct answer

B. They are unaffected by single acids.

Step-by-step solution

The paragraph states that some metals are 'noble,' which means they are unaffected by single acids.

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