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Shivam • 8.86K Points
Tutor III Science
401

Q. आवर्त सारणी के अनुसार सबसे हलकी गैस कौन सी है? 

(A) कॉर्बन डाई ऑक्साइड
(B) आर्गन
(C) हाइड्रोजन
(D) हीलियम
Correct Answer - Option (C)

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