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Assertion: Tungsten has very high meltin...

Assertion: Tungsten has very high melting point.
Reason: Tungsten is a covalent compound.

A

Assertion and reason both are correct statements and reason is correct explanation for assertion.

B

Assertion and reason both are correct statements but reason is not correct explanation for assertion.

C

Assertion is correct statement but reason is wrong statement.

D

Assertion is wrong statement but reason is correct statement

Text Solution

Verified by Experts

The correct Answer is:
C
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Assertion. Tungsten has very high melting point. Reason. Tunsten is a rare earth element.

Covalent compounds have high melting points.

Knowledge Check

  • Assertion Tungsten has a very high melting point. Reason (R) Tungsten is a covalent compound.

    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 not a correct explanation of A
    C
    A is true but R is false
    D
    A is false but R is true

  • Assertion (A) : Covalent crystals have higher melting point. Reason (R ) : Covalent bonds are stronger than ionic bonds.

    A
    If both `(A)` and `(R)` are correct, and `(R)` is the correct explanation of `(A)`
    B
    If both `(A)` and `(R)` are correct, but `(R)` is not the correct explanation of `(A)`
    C
    If `(A)` is correct, but `(R)` is incorrect.
    D
    If both `(A)` is incorrect but `(R)` is correct.

  • Assertion:- Tungsten filament is used in electric bulbs. Reason:- Tungsten is a metal of high melting point.

    A
    If both Assertion `&` Reason are True `&` the Reason is a correct explanation of the Assertion.
    B
    If both Assertion `&` Reason are True but Reason is not a correct explanation of the Assertion.
    C
    If Assertion is True but the Reason is False.
    D
    If both Assertion `&` Reason are False.

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    Magnalium has a very low melting point.

    Name a nonmetal of very high melting point .

    Assertion : Ionic compounds have high melting and boiling points. Reason : In ionic compounds, there are strong forces of attraction between oppositely charged ions.

    Assertion (A): Transition metals have high melting point. Reason (R): Transition metals have completely filled d-orbitals.

    Boron has an extremely high melting point because of

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