Question

There are two clear solution of A and B.Solution of A is pure water and solution of B is common salt solution.How will you distinguish between them without tasting​

Answer 1

Answer

• Measure the boiling points, the higher one has the salt.
• Measure the boiling points, the higher one has the salt.Measure the refractive indexes, the higher one has the salt.
• Measure the boiling points, the higher one has the salt.Measure the refractive indexes, the higher one has the salt.Easiest: use a metal spoon and take a small sample of either glass. Heat the spoon until the liquid evaporates. If the spoon contains a white residue, that glass contains the salt. If nothing is left in the spoon, that glass is the pure water.