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Why is glass considered a supercooled li...

Why is glass considered a supercooled liquid?

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Glass is considered to be super cooled liquid because it shows some of the characteristics of liquids, though it is an amophous solid. For example, it is slightly thicker at the bottom. This can be possible only if it has flown like liquid, though very slowly.
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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

DINESH PUBLICATION-SOLID STATE-N.C.E.R.T
  1. Why do solids have a definite volume?

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  2. Classify the following as amorphous or crystalline solids: polyurethan...

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  3. Why is glass considered a supercooled liquid?

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  4. The refractive index of a solid is observed to have the same value alo...

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  5. Classify the following solids in different categories based on the nat...

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  6. A solid substance 'A' is very hard and electrical insulator both in th...

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  7. Why are ionic solids conducting in the molten state and not in the sol...

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  8. What type of solids are electrical conductors, malleable or ductile?

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  9. Give the significance of "lattice point."

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  10. Name the parameters that characterized a unit cell.

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  11. Distinguish between a. Hexagonal and monoclinic unit cells (b) Fac...

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  12. Explain how much portin of an atom located at (a) corner and (b) body ...

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  13. What is the two-dimensional coordination number of a molecule in squar...

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  14. A compound is formed hexagonal close-packed structure. What is the tot...

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  15. A compound formed by two elements M and N. Element N forms ccp and ato...

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  16. Which of the following lattices has the highest packing efficency (a) ...

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  17. An element with molar mass 2.7 xx 10^(2) kg mol^(-1) forms a 2.7 xx 10...

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  18. What type of defect can arise when a solid is heated? Which physica...

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  19. What type of stoichiometric defect is shown by: (a) ZnS (b) AgBr

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  20. Explain how vacancies are introduced in an ionic solid when a cation ...

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