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Assertion: Snow does not melt eaasily at...

Assertion: Snow does not melt eaasily at mountains.
Reason: A decrease in pressure leads to an increase in freezing point.

A

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

B

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

C

If the assertion is true but reason is false.

D

If assertion is false but reason is true.

Text Solution

Verified by Experts

The correct Answer is:
A
Ice `hArr` warer, increase in pressure leads to melting of ice as it favours the change showing decrease in volume.
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Knowledge Check

  • Statement 1: Snow does not melt at monutains easily. Statement 2: A decrease in pressure leads to an increase in freezing point of water.

    A
    Statement 1 is true, stetement 2 is true, statement 2 is a correct explanation for statement 2
    B
    Statement 1 is true, statement 2 is true, statement 2 is not a correct explanation for statement 2
    C
    Statement 1 is true, statement 2 is false
    D
    Statement 1 is false, statement 2 is true

  • Increase in blood pressure leads to

    A
    hypotension
    B
    bradycardia
    C
    Both (a) and (b)
    D
    hypertension

  • Assertion: Water boils at higher temperature in pressure cooker. Reason: Increase in pressure leads to an increase in boiling temperature.

    A
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
    C
    If assertion is true but reason is false.
    D
    If assertion is false but reason is true.