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प्रश्न
MULTIPLE CHOICE QUESTIONS
Which is the lightest of all elements?
- hydrogen
- helium
- lithium
- none of these
उत्तर
hydrogen
shaalaa.com
Hydrogen
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
MULTIPLE CHOICE QUESTIONS
Which is the lightest of all elements?
hydrogen