Write a summary paragraph commenting upon the common ion effect and its influence on solubility, and commenting upon activity effects and their influence on the Ksp value.

*tilts head* sounds more like a statement

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

with this one i know the answer in craters one reason i looked it up and i learned about it there is my evidence