A student adds salt to water until no more salt dissolves and some salt remains undissolved at the bottom. What does this indicate?
The solution formed is saturated salt solution
A solution that cannot dissolve any more solute at a given temperature is called saturated.
When extra salt stays undissolved at the bottom, the water has dissolved as much salt as it can.
Salt is quite soluble in water, and a salt solution is a true solution, not a colloid.
Hence, the answer is The solution formed is saturated salt solution.
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