SolveItClass 10 · NCERT

NCERT Solutions · Class 10 Science Carbon and its Compounds

15 questions · 15 still being checked

EXERCISES 1–10 (part 1 of 2)

  1. Exercise 1

    Ethane, with the molecular formula C2H6 has
    (a)
    6\displaystyle 6 covalent bonds.
    (b)
    7\displaystyle 7 covalent bonds.
    (c)
    8\displaystyle 8 covalent bonds.
    (d)
    9\displaystyle 9 covalent bonds.
    NCERT’s answer
    (b)

    Working being prepared

  2. Exercise 2

    Butanone is a four-carbon compound with the functional group
    (a)
    carboxylic acid.
    (b)
    aldehyde.
    (c)
    ketone.
    (d)
    alcohol.
    NCERT’s answer
    (c)

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  3. Exercise 3

    While cooking, if the bottom of the vessel is getting blackened on the outside, it means that
    (a)
    the food is not cooked completely.
    (b)
    the fuel is not burning completely.
    (c)
    the fuel is wet.
    (d)
    the fuel is burning completely.
    NCERT’s answer
    (b)

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  4. Exercise 4

    Explain the nature of the covalent bond using the bond formation in CH3Cl.

    Solution being prepared

  5. Exercise 5

    Draw the electron dot structures for
    (a)
    ethanoic acid.
    (b)
    H2S.
    (c)
    propanone.
    (d)
    F2 .

    Solution being prepared

  6. Exercise 6

    What is an homologous series? Explain with an example.

    Solution being prepared

  7. Exercise 7

    How can ethanol and ethanoic acid be differentiated on the basis of their physical and chemical properties?

    Solution being prepared

  8. Exercise 8

    Why does micelle formation take place when soap is added to water? Will a micelle be formed in other solvents such as ethanol also?

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  9. Exercise 9

    Why are carbon and its compounds used as fuels for most applications?

    Solution being prepared

  10. Exercise 10

    Explain the formation of scum when hard water is treated with soap.

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