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Assertion : The melting point of ice dec...

Assertion : The melting point of ice decreases with increase of pressure
Reason : Ice contract on melting.

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 the assertion and reason both are false

Text Solution

Verified by Experts

The correct Answer is:
A
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These questions consist two statements each, printed as Assertion and reason, while answering these question you are required to choose any one of the following four responsis: (a) If both the assertion and reason are true and reason is a true explanation of the assertion. (b) If both the assertion and reason are true but the reason is not the correct explanation of assertion. (c ) If the assertion is true but reason is false. (d) If both the assertion and reason are false. Q. Assertion: The melting point of ice decreases with increase of pressure. Reson: ice contracts on melting.

The melting point of ice is

Knowledge Check

  • Statement-1 : The melting point of ice decreases with increase of pressure Statement-2 : Ice contracts on melting.

    A
    If both the statements are true and statement -2 is the correct explanation of statement-I
    B
    If both the statements are true but statement-2 is not the correct explanation of statement-I
    C
    If statement-I is true and statement-2 is false
    D
    If statement-I is false and statement-2 is true.

  • Each question contains STATEMENT-1 (Assertion) and STATEMENT-2( Reason). Examine the statements carefully and mark the correct answer according to the instruction given below: STATEMENT-1: The melting point of ice decreases with increase of pressure. STATEMENT-2: Ice contracts on melting .

    A
    If both the statements are TRUE and STATEMENT-2 is the correct explanation of STATEMENT-1
    B
    If both the statement are TRUE but STATEMENT-2 is NOT the correct explanation of STATEMENT-1
    C
    If STATEMENT-1 is TRUE and STATEMENT-2 is FALSE
    D
    If STATEMENT-1 is FALSE and STATEMENT-2 is TRUE

  • Assertion: The melting point of solid (except ice) increases with increase in pressure. Reason: An increasion in pressure favours the change where volume decreases.

    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.

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    The melting of ice in water decreases with increase in pressure.

    As pressure increases, the melting point of ice decreases.

    At the melting point of ice, DeltaG = 0 .

    The melting point of ice under normal conditions is

    The melting points of most of the solid substances increases with an increase of pressure acting on them However, ice melts at a temperature lower than its usual melting point, when the pressure increases. This is Because :

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