(xvili) प्रकृति का सबसे हलका तत्व है
(a) हाइड्रोजन
(b) हीलियम
(c) लीथियम
(d) नाइट्रोजन
Answers
Answered by
1
Explanation:
Prithvi ka sabse Halka tatva hydrogen hai
Answered by
3
Answer a)हायड्रोजन
Explanation:
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