All noble gases are - (1) Colourless (2) Odourless (3) Colourless and Odourless (4) Light blue

1 Answer

Answer :

(3) Colourless and Odourless Explanation: Other characteristics of the noble gases are that they all conduct electricity, fluoresce, are odorless and colorless, and are used in many conditions when a stable element is needed to maintain a safe and constant environment.

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