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When air is blown from mouth into a test-tube containing lime water, the lime water turns milky due to the presence of
  • a)
    oxygen
  • b)
    carbon dioxide
  • c)
    nitrogen
  • d)
    water vapour
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
When air is blown from mouth into a test-tube containing lime water, t...
The air we exhale contains CO2. When carbon dioxide is passed through lime water or Ca(OH)then it form calcium carbonate which is white in colour.
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Community Answer
When air is blown from mouth into a test-tube containing lime water, t...
When carbon dioxide is passed through lime water it turns milkly due to the formation of calcium carbonate.
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