Environment & Ecology · Environment
ओजोन के एक अकार्बनिक अणु में कितने ऑक्सीजन परमाणु होते हैं?
- 1चार (O4)
- 2तीन (O3)✓
- 3दो (O2)
- 4एक (O)
सही उत्तर देखें
तीन (O3)
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