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Answer the question Write the molecular...

Answer the question
Write the molecular formula of methane.

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NAVNEET PUBLICATION-CARBON: AN IMPORTANT ELEMENT-EXERCISE
  1. Answer the following questions : What is meant by a covalent bond?

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  2. Give the properites of covalent compounds.

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  3. Answer the question Write the molecular formula of methane.

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  4. Answer the question How many atoms of carbon and hydrogen are present...

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  5. Answer the question How is methane gas prepared in the laboratory?

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  6. Answer the question What are the various sources of methane?

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  7. Answer the question State the properties of methane.

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  8. Give the uses of methane.

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  9. Graphite diamond and fullerence are the polymorphic forms of .

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  10. Methane is also called as………….. .

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  11. Explain the following: Petrol, diesel, coal are fossil fuels.

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  12. Explain the following: Uses of various allotropes of carbon.

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  13. Explain the following: Use of CO2 in fire extinguisher.

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  14. Practical uses of CO2.

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  15. Give Scientific reasons: Graphite is a good conductor of electriciity.

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  16. Give scientific reasons: Graphite is not used in ornaments.

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  17. Limewater turns milky when CO2 is passed through it.

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  18. Give scientific reasons: Diamonds are used in rock drilling machines.

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  19. Give scientific reasons: Coke produces more heat than coal.

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  20. Give scientific reasons: Biogas is an eco-friendly fuel.

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