A gas reacts with CaO, but bot with NaHCO3, the gas is

Options :
  1. CO2
  2. Cl2
  3. N2
  4. O2
Answer and Explanation :-

Answer: Option 2

Explanation:

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Lord, help us root our feet to the earthAnd our eyes to the roadAnd always remember the fallen angelsWho, attempting to soar,Were seared instead by the sun and, wings melting,Came crashing back to the sea.Lord, help root my eyes to the earthAnd stay my eyes to the roadSo I may never stumble.-Psalm 4 (From "Prayer and Study," The Book of Shhh)
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