x) Assertion: When we blow CO2 into a test – tube containing lime water, it turns milky
Reason: The change in colour shows the presence of CO2 in the exhaled air.
plz answer
(a) If both assertion and reason are true and reason is the correct explanation of assertion.
(b) If both assertion and reason are true but reason is not the correct explanation of assertion.
(c) If assertion is true and reason is false.
(d) If assertion is false and reason is true.
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Verified answer
Answer:
A) if both assertion and reason are true and reason is the correct explanation of assertion
Both assertion and reason are true but reason is not the correct explanation of assertion.
[tex]Ca(OH_{2}) + CO_{2}[/tex] → [tex]CaCO_{3} + H_{2}O[/tex]
Hence, the correct option is b.