Which physical method can be used for obtaining a sample of salt from a small beaker of salt water? boiling freezing filtration sorting

The correct answer to the question is boiling

Boiling is one major way we can use to obtain a dissolved solute from a solution. It involves boiling the solution to dryness so that liquid portion is evaporated leaving behind the solid.

Fractional freezing is a process used to separate substance with different melting point.

Filtration is a technique used in separating insoluble substances from a liquid.

Sorting is simply a process of arranging substance in a well mannered way. For example arranging element based on their similarities.

From the discussion above, we can conclude that boiling can be used to obtain  salt from salt water solution.

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