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Quartz on strong heating followed by rap...

Quartz on strong heating followed by rapid cooling gives glass which is an amorphous solid because

A

Glass is a super cooled liquid

B

Glass does not have a sharp melting point

C

Silicate tetrahedral unit are shifted in randomly arranged pattern

D

Glass is a silicate of sodium

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The correct Answer is:
C
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  9. What type of defects are represented by given figure ?

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  10. If the unit cell edge length of NaCl crystal is 600 pm, then the densi...

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  11. Quartz on strong heating followed by rapid cooling gives glass which i...

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  12. A solid has a structure in which W atoms are located at the corners of...

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  17. A metal crystallises into two cubic phases , face centred cubic (fcc) ...

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