Activity Balance the following equations, using symbol form:
AgNO, + Badi, — AgCl + Ba(NO3)2
-Copper is dissolved in nitric acid to form copper(II) nitrate and hydrogen gas
-Silver nitrate reacts with magnesium chloride to form silver chloride and magnesium nitrate.
-Ozone reacts with nitrogen monoxide to form nitrogen dioxide.​

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

the solar system used to have much dust particles option no d