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21 November, 17:22

Which of the following statements are true? Check all that apply

A. Liquid water expands with increasing temperature above 4°C

B. Solid ice is less dense than liquid water

C. Water contracts as it freezes at 0°C

D. Liquid water expands with increasing temperature between 0°C and 4°C.

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  1. 21 November, 17:46
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    A. Liquid water expands with increasing temperature above 4°C

    B. Solid ice is less dense than liquid water

    Explanation:

    (A) Liquid water expands with increasing temperature above 4°C

    This is correct : Above 4°C, increase in the temperature causes the liquid water to expand.

    (B) Solid ice is less dense than liquid water

    This is correct: frozen water molecules (solid ice) take a more defined crystalline structures which is less dense than that of the molecules in liquid form.

    (C) Water contracts as it freezes at 0°C

    wrong: rather water contracts on heating from 0°C to 4°C

    (D) Liquid water expands with increasing temperature between 0°C and 4°C

    wrong: rather liquid water expands with increasing temperature above 4°C
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