What is formed when atoms of one type react with atoms of other types? оа
Compound
Ob
Electrons
ос
Element
od
Protons

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

i think it's c. i'm not sure but i think so.

b. is the answer hoped i