Discussion Forum : Elements And Metals
Question -

The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is


Options:
A .  Argon
B .  Xenon
C .  Helium
D .  Krypton
Answer: Option C



Submit Your Solution Below and Earn Points !
Next Question
Submit Your Solution hear:

Your email address will not be published. Required fields are marked *