1.Put 1 cup of water the drinking glass. Add 1 tbsp. of salt into it. Stir.
Q1. Did the salt completely dissolve in water?
2.On the same glass, add another 1 tbsp of salt . Stir
Q2. Did the salt completely dissolve this time?
3.Repeat step 2 until you reach a point where the salt no longer dissolves in water no matter how long or how hard you stir it.
Q3. Why do you think the salt particles did not completely dissolve in water this time? Explain
Q4. Do you see salt crystals inside the glass? Why are they present? What does this show?​