Multiple choice general knowledge science & technology

Which of the following gases is green in color?

  1. hydrogen

  2. Neon

  3. Krypton

  4. chlorine
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Chlorine gas (Cl2) is greenish-yellow in color, which gives it its name from the Greek 'chloros' meaning greenish-yellow. Hydrogen is colorless, Neon is reddish-orange in discharge tubes but colorless as a gas, and Krypton is colorless.

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