EASY
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Which of the following is an amorphous substance?

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Important Questions on Solid State

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Give two differences between Crystalline and Amorphous solids.
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Which of the following is NOT true about the amorphous solids?
MEDIUM
Give two differences between Crystalline solids and Amorphous solids.
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Given below are two statements. One is labelled as
Assertion A and the other is labelled as Reason R.
Assertion A: Sharp glass edge becomes smooth on heating it up to its melting point.

Reason R: The viscosity of glass decreases on melting.

Choose the most appropriate answer from the options given below.

HARD
Which of the following statement is correct?
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Write any two differences between crystalline and amorphous solids.
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The material that soften on heating to finally flow like a liquid is _____.
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Which of the following statements is true with regards to crystalline solids?
MEDIUM
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.
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The correct property of amorphous solids is:
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Quartz is a crystalline variety of
 
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When the molten form of crystalline solid is rapidly cooled, it changes into
MEDIUM
Which of the following statement about amorphous solids is incorrect ?
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The arrangement ABCABCABC.........is referred as
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The ability of a given substance to assume two or more crystalline structure is called