How can the knowledge of relative density help in verifying the purity of a substance?
Answers
Relative density is defined as a ratio of density of particular substance with that of water.
If the relative density of a substance is less than 1 then it is less dense than the reference, if it is greater than 1 it is denser than the reference. If it is 1 then the densities are equal, that means equal volumes of the two substances have the same mass.
When the reference material is water then a substance which has a relative density less than 1 will float and a substance with a relative density greater than 1 will sink.
The temperature and pressure must be specified for both the sample and the reference.
In this way, the knowledge of relative density can help in verifying the purity of a substance.
Answer:
Relative density is defined as a ratio of density of particular substance with that of water.
If the relative density of a substance is less than 1 then it is less dense than the reference, if it is greater than 1 it is denser than the reference. If it is 1 then the densities are equal, that means equal volumes of the two substances have the same mass.
When the reference material is water then a substance which has a relative density less than 1 will float and a substance with a relative density greater than 1 will sink.
The temperature and pressure must be specified for both the sample and the reference.
In this way, the knowledge of relative density can help in verifying the purity of a substance.
Explanation:
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