The refining of the impure salt involve filtration of the water solution and the purification by repeated processes of crystallization/recrystallization.
To make it less acidic and to dissolve the impure substances.
You can buy special water filters that will make impure water suitable to be drunk without having to boil the water first or the need to add chemicals. I have seen such a device used in a very isolated Youth Hostel Association hostel. So a search on the internet should produce available products.
in short, crtstallisation is the method that is used to purify the substance.crude product is an impure substance.so,if we want to purify a substance then we have to use crystallisation process.therefore there is a need to crystallise a crude product.
a method of separation purify water
Then a muslim should clean that place with soap and water or do obligation!
impure form of water
An unhealthy or impure water supply is contaminated.
It takes a while to purify water
An impure substance contain impurities; for example polluted water is an impure substance.
Pure water does not contain colour but impure water contains Other compounds.
The two types of water are freshwater and saltwater. Freshwater comes from sources such as rivers, lakes, and groundwater, while saltwater is found in oceans and seas. Both types of water play crucial roles in supporting life on Earth.