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Why is glass considered a supercooled li...

Why is glass considered a supercooled liquid?

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On being heated, glass has the property to flow like liquids as shown by greater thickness of the window panes at the bottom. Hence, it is called supercooled liquid.
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Assertion: Glass panes fixed to windows or doors of old buildings are slightly thicker at the bottom than at the top . Reason: Glass is a pseudo solid or supercooled liquid

PRADEEP-STATES OF MATTER: SOLID MATTER-CONCEPTUAL
  1. In terms of intermolecular forces, explain why do some substances exis...

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  2. Why is glass considered a supercooled liquid?

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  3. How the sturctue of amorphous silica (quartz glass) differ from quartz...

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  4. In CaF2 crystal, Ca^(2+) ions are present in FCC arrangment . Calculat...

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  5. Do all the metals possess a close-packed struture ? Name the differen...

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  6. A NaCl crystal is found to have CsCl structure. How it happened?

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  7. AgI crystallises in a cubic close-packed ZnS structure. What fraction ...

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  8. Write the coordination numbers of cations and anions in the following ...

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  9. In each of the compounds : NaCl, ZnS and CaF(2) , Write (i) ions o...

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  10. KF has ccp structure. Calculate the radius of the unit cell if the edg...

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  11. A metal crystallizes into two cubic phases, face-centred cubic and bod...

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  12. Analyses shows that FeO has a non-stoichiometric composition with form...

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  13. Why the defects of the crystalline solids are called thermodynamic def...

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  14. Why stoichiometric defects are also called intrinsic defects?

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  15. Why is Frenkel defect not found in pure alkali metal halides ?

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  16. CaCl(2) will introduce schottky defect if added to AgCl crystal. Expla...

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  17. Why LiCl acquires pick colour when heated in Li vapours ?

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  18. Give reason : (a) Why is Frenkel defect found in AgCl ? (b) What i...

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  19. Examine the given defective crystal {:(A^(+), B^(-),A^(+),B^(-),A^(+...

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  20. Examine the given defective crystal {:(X^(+),Y^(-),X^(+),Y^(-),X^(+))...

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