Chapter 15, Problem 9STP

To determine

The significance of use of dark bottles to store medicines.

Explanation of Solution

Introduction:

Chemical change is defined as a process in which one-substance changes to another substance.

Medicines are stored in dark bottles because some vitamins present in medicine reacts with light and causes chemical changes. These chemical changes may be harmful.

Dark bottles protect medicines from light that’s why the medicines are stored in dark bottles.

Conclusion:

Thus, the medicines are stored in dark bottles to protect it from light.