5. Which compound strongly absorb CO2(1) BeO(2) K2O(3) H2PO4(4) P406
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Answer:
co2 because it is absorbed by plants
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Answer: Option (2), K₂O or Potassium Oxide
Explanation: Out of BeO, K₂O, H₂PO₄ and P₄O₆ only K₂O gives alkali KOH on being dissolved in water. Since it's a experimental fact that Carbon Dioxide can be strongly absorbed only by an alkali solution hence K₂O is correct answer.
K₂O + H₂O → 2KOH
Hence Potassium Oxide can strongly absorb Carbon Dioxide on being dissolved in Water.
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