Only solve if your big brain lol
Which of the following statements describes a physical property?

A.

The substance produces an acid when dissolved in water.

B.

The substance forms a solid when reacted with silver nitrate.

C.

The substance is highly reactive.

D.

The substance has a higher density than water.

D. The substance has a higher density than water.

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

dynamic equilibrium is the answer.