Question

how can we separate a mixture of sand, salt and water​

Answer 1

Explanation:

Separating Salt and Sand Using Solubility

One method of separating salt and sand is based on solubility. If a substance is soluble it means it dissolves in a solvent. Salt (sodium chloride or NaCl) is an ionic compound that is soluble in water. Sand (mostly silicon dioxide) is not.

Pour the salt and sand mixture into a pan.

Add water. You don't need to add a lot of water. Solubility is a property that is affected by temperature, so more salt dissolves in hot water than cold water. It's okay if the salt doesn't dissolve at this point.

Heat the water until the salt dissolves. If you get to where the water is boiling and there is still solid salt, you can add a bit more water.

Remove the pan from heat and allow it to cool until it's safe to handle.

Pour the salt water into a separate container.

Now collect the sand.

Pour the salt water back into the empty pan.

Heat the salt water until the water boils. Continue boiling it until the water is gone and you're left with the salt.

Another way you could have separate the saltwater and sand would be to stir up the sand/saltwater and pour it through a coffee filter to capture the sand.

thanks bhai

Answer 2

Answer:

The process of separating components of a mixture typically leverages differences in physical properties such as a difference in solubility (i.e. filtration, decantation, chromatography), or a difference in boiling points (e.g. distillation).

Explanation:

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