19. निम्न में से कौनसी गैस उत्कृष्ट गैस नहीं है ?
(a) ऑक्सजीन
(b) नियॉन
(c) हीलियम
(d) आर्गन
Answers
Answered by
0
Answer:
हीलियम गैस उत्कृष्ट नहीं हैं
Answered by
0
Answer:
a) oxygen
Explanation:
An Inert gas is gas that does not undergo chemical reaction under a set of given condition.For e.g helium,neon, argon, Krypton,xenon and radon.
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