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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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  7. Tetrahedral voids is surrounded by four atoms. Which atoms in the give...

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  8. Which of the following is a covalent solid ?

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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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  13. Lithium crystallizes in a body centred cubic lattice. How many next-ne...

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  14. The ionic radii of Rb^(+) and I^(-) are 1.46 and 2.16Å. The most proba...

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