Chemistry
Grade-9
Easy

Question

Which of these is not a property of Noble Gases?

  1. Colourless
  2. Odourless
  3. Flammable
  4. Gas at room temperature

hintHint:

They are inflammable.

The correct answer is: Flammable


    • Noble gases are colorless and odorless.
    • Their melting point and boiling points are very close, they have narrow liquid range.
    • They are mainly gases other than iodine at room temperature.
    • They are inflammable.

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