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Carbon and its ...

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  • Question 1
    1 / -0

    In a covalent bond formation:

  • Question 2
    1 / -0

    In the given figure label the parts.

  • Question 3
    1 / -0

    Washing soaps produce scum with hard water and not much foam because hard water contains:

  • Question 4
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    A group closely related compounds which can be expressed by a general formula & in which two consecutive members differ by $$14$$ in their molecular masses is called:

  • Question 5
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                                $$CH_3$$    $$CH_3$$
    $$H_3C-CH_2-\overset {|}{CH}-\overset {|}{CH}-CH_3$$

    Write the IUPAC name of the given compound.

  • Question 6
    1 / -0

    In the presence of the acid catalyst, ethanoic acid reacts with ethanol to produce________.

  • Question 7
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    Assertion: In O/W emulsion, soap is mixed.
    Reason: Soap reduces surface tension.

  • Question 8
    1 / -0

    Which pair of statements about diamond and graphite is correct?

  • Question 9
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    $$H - \underset{H}{\underset{|}{\overset{H}{\overset{|}{C}}}} - \underset{H}{\underset{|}{\overset{H}{\overset{|}{C}}}} - \underset{\!\!OH}{\underset{|}{\overset{H}{\overset{|}{C}}} - }H$$         $$H - \underset{H}{\underset{|}{\overset{H}{\overset{|}{C}}}} - \underset{H}{\underset{|}{\overset{H}{\overset{|}{C}}}} - OH$$         $$H - \underset{H}{\underset{|}{\overset{H}{\overset{|}{C}}}} - \underset{H}{\underset{|}{\overset{H}{\overset{|}{C}}}} - H$$           $$\underset{H}{\underset{|}{\overset{H}{\overset{|}{C}}}} = \underset{H}{\underset{|}{\overset{H}{\overset{|}{C}}}}$$  
              
                     $$(1)$$                                 $$(2)$$                                   $$(3)$$                           $$(4)$$
                  
    The structures of four molecules are shown.

    Which molecules belong to the same homologous series?

  • Question 10
    1 / -0

    Which pollutant gas can be produced as a result of incomplete combustion of octane ($${C}_{8}{H}_{18}$$)?

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