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Example of crystalline solid ....

Example of crystalline solid .

A

Gas carbon

B

Charcoal

C

Coal

D

Graphite .

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The correct Answer is:
D
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AAKASH SERIES-REVISION EXERCISE -ELEMENTS OF CARBON FAMILY
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  7. Silicones are used as water proof materials because they have

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  8. When some of Si^(+4) in frame work silicates are replaced by Al^(+3) ...

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  9. The main common constituent of producer gas and water gas is

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  10. The structure and hybridisation of Si(CH(3))(4) is ,

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  11. CO(2) and N(2) are non-supporters of combustion. However, for putting...

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  12. Which of the following does not represent the correct resonance strutu...

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  13. PbCl(4) exists, but PbBr(4) and PbI(4) do not. This is because of

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  14. Two tetravalent elements A and B form dioxides. Both react with NaOH ...

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  15. Mark the oxide which is amphoteric in character

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  16. Which of the following halides is least stable and has doubtful existe...

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  17. Example of crystalline solid .

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  18. In the penultimate shells, correct configur-ations of group 14 element...

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  19. False among the following

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  20. Carbon can not expand its valency beyond 4, because

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