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How do you understand the marking(writin...

How do you understand the marking(writings) of a pencil on a paper?

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VGS PUBLICATION-BRILLIANT-CARBON AND ITS COMPOUND-EXERCISE
  1. How do you explain the ability of C- atom to form two single covalent ...

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  2. How do you explain the ability of carbon atom to form one single bond ...

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  3. How do you understand the marking(writings) of a pencil on a paper?

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  4. What are hydrocarbons?

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  5. Do all the organic compounds have equal number of 'C' and 'H' atoms?

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  6. Can carbon form bonds with the atoms of other elements?

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  7. Why do sometimes cooking vessels get blackened on a gas or kerosene st...

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  8. Do you know what is a catalyst ?

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  9. What is a true solution?

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  10. Can carbon get helium configuration by losing four electrons from the ...

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  11. Explain the four unpaired electrons in carbon atom through excited sta...

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  12. Allotting completely one special branch in chemistry to compounds of o...

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  13. What are esters?

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  14. How these energetically unequal valence electrons form four equivalent...

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  15. Can we write the structure of a compound if the name of the compound i...

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  16. Do you know how the police detect whether suspected drivers have consu...

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  17. What is the action of soap particles on the greasy cloth?

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  18. How do you appreciate the role of oxygen in combustion process?

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  19. CH2=CH2+H2"" undersetrarr(Ni)CH3-CH3 is an addition reaction. CH-=C...

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  20. Why dough rises swells, when it is treated with yeast ?

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