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Carbon and its ...

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  • Question 1
    1 / -0

    Match the following with the correct response:

    (1) Copper is used in electrical appliances (A) Hydrogen sulphide
    (2) Sodium is very reactive (B) Good conductor
    (3) Silver is tarnished (C) Graphite
    (4) Non-metal and good conductor (D) Stored in kerosene

  • Question 2
    1 / -0

    Match the following with the correct response:

    (1) Shiny non- metal (A) Mercury
    (2) Metal which melts at room temperature (B) Gallium
    (3) Soft metal (C) Iodine
    (4) Liquid metal (D) Sodium

  • Question 3
    1 / -0

    Match the following with the correct response:

    (1) Bond which holds cations and anions (A) Ionic
    (2) Self linking property of carbon (B) Pyridine
    (3) Denatured alcohol (C) Catenation
    (4) Synthetic detergents (D) Non-biodegradable

  • Question 4
    1 / -0

    Match the following with the correct response:

    (1) Welding (A) Ethyl alcohol
    (2) A fuel in spirit lamp (B) Ester
    (3) Lime water turns milky (C) Carbon dioxide
    (4) Fruity smell (D) Ethyne and oxygen

  • Question 5
    1 / -0

    Which of the following statements are usually correct for carbon compounds?
    A. They are good conductors of heat and electricity.
    B. They are poor conductors of heat and electricity.
    C. They have strong forces of attraction between their molecules.
    D. They do not have strong forces of attraction between their molecules.

  • Question 6
    1 / -0

    Which of the following compounds contain the functional group -OH?
    A. Propane
    B. Propanol
    C. Ethanoic acid
    D. Ethanol

  • Question 7
    1 / -0

    The molecules involving ionic bond(s) are:
    A. H2O
    B. NaCl
    C. Na2O
    D. MgO

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