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Which one of the following is used a lub...

Which one of the following is used a lubricant?

A

Graphite

B

Diamond

C

Fullerene

D

Graphene

Text Solution

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The correct Answer is:
A
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FULL MARKS-p-BLOCK ELEMENTS -I-Additional Questions ( CHOOSE THE CORRECT ANSWER ):
  1. Compound used for propellant i s ..................

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  2. Which one of the following is double salt?

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  3. Consider the following statements, (i) Alums are more soluble in hot ...

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  4. The structure of graphite is

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  5. Which one of the following is used a lubricant?

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  6. Which one of the following carbon alotrope is very hard?

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  7. Recently discovered allotropes of carbon is ………………. .

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  8. CO and N(2) mixture is ……..

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  9. Syn gas is ……..

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  10. Ethene is mixed with carbon monoxide and hydrogen gas to produce propa...

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  11. …………………… is a good reducing agent.

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  12. Critical temperature of CO(2) is ………..

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  13. Which one of the following compound is important for photosynthesis?

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  14. General empirical formula of silicone is ………………. .

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  15. Consider the following statements (i) All Silicones are hydrophilic ...

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  16. Silicate contains silicon and oxygen in ………………… units.

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  17. Ortho silicates are also called as ………….

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  18. Example of Ring silicate is ………….

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  19. Pick out the three dimensional silicates?

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  20. Compound used to remove the permanent hardness of water is ……………. .

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