Physics · General Physics
हीलियम गैस को गुब्बारों में क्यों भरा जाता है?
- 1यह जल के अवयवों में से एक है
- 2यह एक उत्कृष्ट गैस है
- 3इसका परमाणु क्रमांक 2 है
- 4यह वायु से हल्की है✓
सही उत्तर देखें
यह वायु से हल्की है
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