Question

Analysis- How could you determine whether an unknown clear liquid is pure water or

salt water? Remember that you should never taste any substance of unknown identity. Use at least 4 sentences respond

Answer 1

Boiling the subtance

Step-by-step explanation:

To determine the nature of an unknown liquid the first thing you can do is boil it:

* If the sample is water, the boiling point must be near to 100°C

*When all pure water is evaporated, there is no residue, the glass must be empty.

* But if the sample is salt water, when all water is evaporated, you will see a solid white residue that, possibly, is salt.