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Carbon and its ...

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  • Question 1
    1 / -0

    Substance ‘X’ is formed by the reaction of carboxylic acid and alcohol. It is used in making ice creams, cold drinks, perfumes and in flavoring agent. Name ‘X’.

  • Question 2
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    Drinking alcohol and driving may cause serious accidents. To discourage this, police randomly lest drivers for alcohol using a breath analyzer. The breath analyzer works because:

  • Question 3
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    Statement A: Ethane decolorizes bromine water whereas ethyne does not.

    Statement B: Mixture of water and alcohol is used in radiators of vehicles in cold countries.

  • Question 4
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    While cooking if the bottom of the vessel is getting blackened on the outside, it means that:

  • Question 5
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    Match the following with the correct response:

    (1) Ionic bond (A) NH3
    (2) Polar covalent bond (B) C60
    (3) Non-polar bond (C)N2
    (4) Fullerene (D) NaCl

  • Question 6
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    Match the following with the correct response:

    (1) Catenation (A) Butene
    (2) Alkane (B) Carbon compounds
    (3) Alkene (C) Ethyne
    (4) Alkyne (D) Ethane

  • Question 7
    1 / -0

    Match the following with the correct response:

    (1) Alcohol (A) - X
    (2) Aldehyde (B) - CHO
    (3) Ketone (C) - OH
    (4) Haloalkane (D) - CO -

  • Question 8
    1 / -0

    Match the following with the correct response:

    (1) Addition reaction (A) Hydrogenation
    (2) Substitution reaction (B) Methanol
    (3) Denaturation (C) Carbon tetrachloride
    (4) Esterification (D) Ethyl ethanoate

  • Question 9
    1 / -0

    Match the following with the correct response:

    (1) Soap (A) Sodium salts of long chain of sulphonic acids
    (2) Detergents (B) Esterification
    (3) Reaction of CH3COOH with metal hydroxides (C) Neutralisation
    (4) Reaction of CH3COOH with alcohols (D) Sodium salts of long chain fatty acids

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