SSC SSC CHSL (Tier I & Tier II) Mock Test Series 2025 (New) General Science Chemistry Chemical Reaction

एक गैस, CaO के साथ तो अभिक्रिया करती है, परन्तु NaHCO3 के साथ नहीं। वह गैस है -

1
CO₂
2
Cl₂
3
N₂
4
O₂
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