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Which of the following is an amorphous s...

Which of the following is an amorphous solid?

A

Graphite (C)

B

Quartz glass `(SiO_2)`

C

Chrome alum

D

Silicon carbide (SiC)

Text Solution

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The correct Answer is:
B
Glass is an amorphous solid in nature because it has an irregular arrangement of constituent particles and it gradually softens over a range of temperature. When it is cut with a sharpedged tool, they cut into two pieces with irregular surfaces.
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EDUCART PUBLICATION-SAMPLE PAPER 07-SECTION-B
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  6. Identify A, B, C and D in the following reaction,

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  9. Which of the following reaction is not the evidence for presence of al...

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  10. Lithium having a body centered cubic. Its density is 0.53 g cm^(-3) an...

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  11. Calculate the number of monochloro derivatives that formed when neo-pe...

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  14. The correct order of DeltaH1 values is:

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