In an experiment to show carbon dioxide is evolved during plant respiration, what liquid turns milky when CO2 bubbles th...

Type: MCQ • Marks: 1

In an experiment to show carbon dioxide is evolved during plant respiration, what liquid turns milky when CO2 bubbles through it?

A. Alcohol

B. Lime water (Calcium hydroxide solution)

C. Iodine solution

D. Distilled water

Explanation

Carbon dioxide reacts with lime water [Ca(OH)2] to form insoluble calcium carbonate, turning the solution milky white.

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