Activity 9.3: Let us investigate, Take some salt solution (prepared in Activity 9.2) in a china dish. Class 6

Activity 9.3: Let us investigate, Take some salt solution (prepared in Activity 9.2) in a china dish. Class 6

Activity 9.3: Let us investigate

1. Take some salt solution (prepared in Activity 9.2) in a china dish. If a china dish is not available, another suitable vessel may be used.
2. Heat and let the water boil away as shown in Fig..
3. Allow the china dish to cool.
4. What do you observe? What is left in the china dish?

Question 1.

Did you get the salt back? You can feel the presence of salt in the china dish by touching the salt with your fingers. Class 6

Answer:

Yes, we do get the salt back after the evaporation process. We can feel the presence of salt in the china dish by touching it with our fingers.