Related Questions

    1.

    Density of water is maximum at :

    A

    0∘C0{\rm{ }}^\circ {\rm{C}}

    B

    100∘C100^\circ {\rm{C}}

    C

    4∘C4^\circ {\rm{C}}

    D

    0  K0\;K

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    2.

    Water contracts on heating:

    A

    To  100∘CTo{\rm{ }}\;100^\circ C

    B

    From\;{\rm{ }}0\;^\circ C\;to\;{\rm{ }}4^\circ C

    C

    To 273  KTo\,{\rm{ }}273\;{\rm{ }}K

    D

    From  10∘C    to  20∘CFrom\;{\rm{ }}10^\circ C\;\;to\;{\rm{ }}20^\circ C

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    6.

    The high surface tension of water is primarily due to:

    A

    Hydrogen bonding between water molecules

    B

    Van der Waals forces between water molecules

    C

    Covalent bonding between water molecules

    D

    Ionic interactions between water molecules

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    10.

    The anomalous expansion of water refers to its:

    A

    Increase in volume upon cooling from 4°C to 0°C

    B

    Decrease in volume upon heating from 0°C to 4°C

    C

    Higher density in liquid state compared to solid state

    D

    Lower boiling point compared to other similar molecules

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