Question

ANSWER THE FOLLOWING QUESTIONS:
Q20. For any substance, why does the temperature remain constant during the change of state?
Q21. What is meant by fluidity?
Q23. What types of mixture are separated by the technique of crystallization?
Q24. Give three differences between sol and suspension.
Q25. Crystallization technique is better than simple evaporation technique. Why?
Q26. Write the steps of the purification of surface water.​

Answer 1

Answer:

Q20. the temprature becomes constant because the energy is used in the changing of states

Q21. fluidity is a property to flow

Q23. crystallization is used to separate a solid-liquid mixture.

Q23.