Assertion: At high altitudes, liquids boil at lower temperatures in comparison to that at sea level. Reason: At high altitudes, atmospheric pressure is low.

Question

Assertion: At high altitudes, liquids boil at lower temperatures in comparison to that at sea level. Reason: At high altitudes, atmospheric pressure is low. (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 but reason is false. (D) If both assertion and reason are false

Tardigrade Admin · Accepted Answer

At higher altitudes, the atmospheric pressure is decreased. Due to a decrease in the external pressure, the boiling point also decreases in comparision with that of sea level. ⇒ At high altitudes liquids boil at a lower temperature.

Q. Assertion : At high altitudes, liquids boil at lower temperatures in comparison to that at sea level.
Reason : At high altitudes, atmospheric pressure is low.

If both assertion and reason are true and reason is the correct explanation of assertion.

If both assertion and reason are true but reason is not the correct explanation of assertion.

If assertion is true but reason is false.

If both assertion and reason are false

At higher altitudes, the atmospheric pressure is decreased. Due to a decrease in the external pressure, the boiling point also decreases in comparision with that of sea level. $\Rightarrow$ At high altitudes liquids boil at a lower temperature.

Q. Assertion : At high altitudes, liquids boil at lower temperatures in comparison to that at sea level. Reason : At high altitudes, atmospheric pressure is low.