Question

Take a glass of water and add a teaspoon of salt in it and stir it.Observe the changes happen.
1.What do you think has happened to the salt?
2.Where does it disappear?
3.Does there any change in the volume of water taken? Give reason for your observation.
4.What conclusion could you obtain about the nature of particles from this activity

Answer 1

Answer:

1.salt dissolved into the water

2.it doesn't disappear,it was dissolved in water

3.No

there will be very minute change,which is negligible

4.the nature of particles is crystalline.

which perfectly dissolve in water

Answer 2

Answer:

1) The salt has dissolved.

2)The salt doesn't disappear, but actually, dissolves.

3)There is not much difference in the vol. of water and because salt takes away moisture there is not much difference.

4)Water and salt being miscible with each other, makes it easier to dissolve salt particles.