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Graphite, which is an allotrope of carbo...

Graphite, which is an allotrope of carbon, is a conductor of electricity. But diamond, another allotrope of carbon is not a conductor of electricity. Why?

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In diamond each carbon atom is linked to another four carbon by covalent bond surrounding it. So there is no free electron present to conduct the electricity.
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V PUBLICATION-THE WORLD OF CARBON-QUESTION BANK
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  2. a) Write the chemical formula of calcium carbonate. b) Which gas is ...

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  3. Graphite, which is an allotrope of carbon, is a conductor of electrici...

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  4. Write the structure of a straight chain and ring hydrocarbon havnig fo...

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  5. Arrange the objects as shown in the figure and conduct the experiment...

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  6. Lighted candles of different heights are arranged in a trough as shown...

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  7. Making a fire extinguisher. Arrange the apparatus a shown in figure....

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  8. Construct and display the ball and stick models of some hydrocarbons

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  9. Prepare a write up on the topic " Importance of organic chemistry" and...

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  10. Carbon is a …............

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  11. The element carbon included in which group.

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  12. Which carbon form is used to make pencil lead

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  13. Which gas is evolved when carbonates and bicarbonats are heated?

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  14. Which bicarbonate is used in fire extinguishers?

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  15. The gas which turns lime water milky is….......

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  16. …........ Is known as soda water.

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  17. When CO2 is soluble in water …..............acid is obtained.

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  18. Two pure forms of carbon are …............... And …......................

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  19. …...............is the element discovered first in the pure form and a...

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  20. The valency of carbon in very compound is …............

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