Which process can be used to obtain common salt from seawater?
Which process can be used to obtain common salt from seawater?
The correct option is A evaporation
The explanation for the correct option -
- Evaporation is a process of conversion of liquid into its vapors, even before reaching its boiling point.
- The seawater is a mixture of salt and water.
- To obtain the common salt from seawater, heat the solution until all the water evaporates.
- The white-colored solid will be obtained, sundry it to get the common salt.
The explanation for the incorrect options -
Option B is incorrect because sublimation is a technique of directly converting the solid into gases, without changing into the liquid state on heating. Since seawater is a liquid solution. Hence, it cannot be separated by this method.
Option C is incorrect because sedimentation is the process by which heavier impurities in a liquid, typically water, settle to the bottom of the container containing the mixture. Since salt is not much heavier than water, it does not settle down at the bottom.
Option D is incorrect the process of removing insoluble solids from a liquid by using a filter paper is known as filtration. Since salt is water-soluble, it does not filter out when passes through the filter paper.
Hence, Option A is the correct answer.
evaporation
The explanation for the correct option -
- Evaporation is a process of conversion of liquid into its vapors, even before reaching its boiling point.
- The seawater is a mixture of salt and water.
- To obtain the common salt from seawater, heat the solution until all the water evaporates.
- The white-colored solid will be obtained, sundry it to get the common salt.
The explanation for the incorrect options -
Option B is incorrect because sublimation is a technique of directly converting the solid into gases, without changing into the liquid state on heating. Since seawater is a liquid solution. Hence, it cannot be separated by this method.
Option C is incorrect because sedimentation is the process by which heavier impurities in a liquid, typically water, settle to the bottom of the container containing the mixture. Since salt is not much heavier than water, it does not settle down at the bottom.
Option D is incorrect the process of removing insoluble solids from a liquid by using a filter paper is known as filtration. Since salt is water-soluble, it does not filter out when passes through the filter paper.
Hence, Option A is the correct answer.
