In the following question a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the choices given below in each question.

Assertion (A) The temperature at which vapour pressure of a liquid is equal to the external pressure is called boiling temperature.

Reason (R) At high altitude atmospheric pressure is high.

(a) Both A and R are true and R is the correct explanation of A

(b) Both A and R are true but R is the correct explanation of A

(c) A is true but R is false

(d) A is false but R is true.

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Solution

Answer: (c) A is true but R is false

The assertion is true but the reason is false.

At high altitude, atmospheric pressure is low.

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Answer: (c) A is true but R is false The assertion is true but the reason is false. At high altitude, atmospheric pressure is low.

Answer: (c) A is true but R is false

The assertion is true but the reason is false.

At high altitude, atmospheric pressure is low.