Which of the following statements about the formation of a solution is true?

1) an ionic compound cannot dissolve when a molecular compound acts as the solvent.
2) dissolution is associated with heat change.
3) dissolution is a chemical change.
4) water is a good solvent for c6h6.

answer is d because it is trust me

answer: c. the experiment shows that the red substance experienced a chemical change.

explanation: chemical change is the change in which chemical composition of the substance changes. physical change is the change in which there is no change in chemical composition.

chemical changes are accompanied by following changes:

a) precipitate formation

b) energy is released or absorbed

c) formation of bubbles

d) change in color

as it is given that the red color has disappeared and there is production of gas, it means the red substance has undergone a chemical change.

e