ICSE Class 9 Biology Question 6 of 12

Respiration in Plants — Question 8

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8
Question

Question 1(viii)

Lime water turns milky upon absorption of carbon dioxide gas due to the formation of:

  1. Calcium carbonate
  2. Sodium carbonate
  3. Calcium chloride
  4. Sodium chloride
Answer

Calcium carbonate

Reason — Calcium carbonate is formed when carbon dioxide reacts with lime water.