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Give reason On heating a sublimable s...

Give reason
On heating a sublimable solid, the molecules break free & escape from surface of the solid directly into vapour.

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ICSE-MATTER-OBJECTIVE TYPE QUESTIONS
  1. On heating the liquid, do the particles gain or lose energy.

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  2. The heat energy supplied to the liquid is absorbed by its molecule & s...

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  3. How does the stored energy, have effect on inter-particle space.

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  4. State why the inter-particle attraction decreases to negligible.

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  5. At what point will the particles become free and escape as gas.

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  6. In naphthalene, the inter-particle attraction is – [high/low].

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  7. The law of conservation of mass, is strictly valid if mass and [energ...

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  8. When inter-particle space increases, the inter-particle attractive for...

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  9. Kinetic energy of molecules in helium is [large/very large] compared ...

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  10. Conversion of vapour [or gas] into a liquid is termed as [liquefacti...

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  11. Molecules in motion possess energy called kinetic energy.

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  12. Give reason Solids cannot be compressed, but gases are highly compr...

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  13. Give reason Kinetic energy of molecules of gases is very large & of ...

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  14. Give reason On heating a sublimable solid, the molecules break free...

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  15. Give reason Particles of matter move more rapidly on application of ...

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  16. Complete the blanks with reference to interconversion of matter on bas...

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  17. Complete the blanks with reference to interconversion of matter on bas...

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  18. Complete the blanks with reference to interconversion of matter on bas...

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  19. Complete the blanks with reference to interconversion of matter on bas...

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  20. Complete the blanks with reference to interconversion of matter on bas...

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