Write the density of water at 4°C.
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The density of water at 4°C is 1 g cm-3 or 1000 kg m-3.
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Arrange the following substances in order of their increasing density:
How does the density of water change when:
(a) it is heated from 0°C to 4°C,
(b) it is heated from 4°C to 10°C ?
Explain the meaning of the term speed.
Write the S.I. unit of speed.