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Amorphous substances show (A) short and...

Amorphous substances show
(A) short and long range order
(B) short range order
(C ) long range order(D ) have no sharp `M.P`

A

I & III

B

II & III

C

III & IV

D

II & IV

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • Assertion: Crystalline solids have short range order. Reason: Amorphous solids have long range order.

    A
    If both assertion and reason are true and the reason is the correct explanantion 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.

  • Isotropy and short range order are the properties of which type of solids?

    A
    Crystalline
    B
    Amorphous
    C
    Pseudo Solids
    D
    Both b and c

  • Select the correct statements. (A) Crystalline solids have long range order. (B) Crystalline solids are isotropic. (C) Amorphous solid are sometimes called pseudo solids. (D) Amorphous solids soften over a range of temperatures. (E) Amorphous solids have a definite heat of fusion. Choose the most appropriate answer from the options given below.

    A
    (A), (B), (E) only
    B
    (B), (D) only
    C
    (C), (D) only
    D
    (A), (C), (D) only
    • AAKASH INSTITUTE-THE SOLID STATE -ASSIGNMENT SECTION-A (OBJECTIVE)
    1. Amorphous substances show (A) short and long range order (B) short ...

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    2. Malleability and ductility of metals can be accounted due to

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    3. Which of the following do not match

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    4. In which of the following pairs, both the crystals are not of the same...

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    5. Among solids highest mp is observed for

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    6. Which of the following is not correct for ionic crystals

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    7. The ability of a substance to exist in two or more crstaline forms kno...

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    8. In which of the following pairs both the solids belong to same type ?

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    9. In graphics carbon atoms are joined togather due to

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    10. How many formula units are there in the unit cell of sodium chloride ?

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    11. In a tetragonal crystal

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    12. The most unsysmmetrical and symmeterical systems are, respectively:

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    13. Which of the following systems do not give correct discription of axia...

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    14. Percentage of free space in cubic in a body- centred cubic unit cell ...

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    15. In a compound ,atoms of element Y from ccp lattice and those of elemen...

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    16. A solid compound contains X,Y and Z atoms in a cubic lattice with X at...

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    17. The coordination number of a metal crystallizing in a hexagonal close-...

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    18. In a face centred cubic lattice unit cell is shared equally by how man...

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    19. The simplest unit of three dimensional arrangement of lattice points w...

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    20. The crystal system of a compound with unit cell dimensions a=0.387,b=0...

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