Define density.

Density of a substance is defined as the weight per unit volume of that substance.

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Density of a substance is defined as the mass per unit volume of that substance.

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Density of a substance is defined as the volume per unit mass of that substance.

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Density of a substance is defined as mass times volume of the substance.

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Solution

The correct option is B Density of a substance is defined as the mass per unit volume of that substance.
Density of a substance is defined as the mass per unit volume. Its SI unit is $k g m^{- 3}$ . For example, the density of water at room temperature and atmospheric pressure is $1 k g m^{- 3}$ .

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The density of a substance is defined as the mass per unit volume of that substance.

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The mass per unit volume of a substance is called density (density = mass/volume). Arrange the following in order of increasing density − air, exhaust from chimney, honey, water, chalk, cotton, and iron.

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Define density.

The correct option is B Density of a substance is defined as the mass per unit volume of that substance.Density of a substance is defined as the mass per unit volume. Its SI unit is kgm−3. For example, the density of water at room temperature and atmospheric pressure is 1 kgm−3.

The correct option is B Density of a substance is defined as the mass per unit volume of that substance.
Density of a substance is defined as the mass per unit volume. Its SI unit is $k g m^{- 3}$ . For example, the density of water at room temperature and atmospheric pressure is $1 k g m^{- 3}$ .