Question

Why does lime water turn milky when CO2 gas is passed through it?

Answer 1

Answer:

Explanation:

Lime water is a saturated solution of calcium hydroxide(Ca(OH2). When carbon dioxide is passed through it , a precipitate of calcium carbonate (CaCO3)of white colour is formed.

Ca(OH)2 (aq) + CO2 (g) —> CaCO3 (Ppt) + H2O

Answer 2

Lime water turn milky when CO₂  gas is passed through it.

Explanation:

• When carbon dioxide is added to the limewater, the forms calcium carbonate.
• Carbon dioxide turns milky and forms calcium carbonate.
• Calcium Carbonate is insoluble in water.
• The equation of the given reaction is:

Ca(OH)₂  + CO₂   ⇌ CaCO₃ (+) + H₂ O

Learn more:

Why lime water turns milky

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