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Question
Arrange the following in the correct order of increasing density.
Arrange the following in the correct order of increasing density.
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Solution
Density is a measure of the amount of substance (mass) present per unit volume.
∙ Particles in the solids are closely packed. They have very less or no space between them. So, the amount of substance packed in a unit volume is high. Thus, they have a high density.
∙ Particles in the liquids have more space between them as compared to solids. Thus, they are less dense.
∙ Particles of gases have large space between them. So, they have very low density.
Hence, the correct increasing order of density would be-
Air < Oil < Water < Brick
∙ Particles in the solids are closely packed. They have very less or no space between them. So, the amount of substance packed in a unit volume is high. Thus, they have a high density.
∙ Particles in the liquids have more space between them as compared to solids. Thus, they are less dense.
∙ Particles of gases have large space between them. So, they have very low density.
Hence, the correct increasing order of density would be-
Air < Oil < Water < Brick
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