Multiple choice

Noble metals donot react with

  1. Air

  2. Water

  3. Acid

  4. All of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Noble metals are characterized by their exceptional resistance to corrosion and oxidation. Gold, silver, and platinum are noble metals that do not react with air (do not tarnish easily), water, or most acids. This inert nature is why they remain valuable and don't degrade over time, making them 'noble' or unreactive.

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