Assertion (A): The pH scale is essential in determining the acidity or alkalinity of a solution, impacting numerous biological and chemical processes.
Reason (R): The pH scale measures the concentration of hydrogen ions in solutions, influencing how substances interact chemically in environments ranging from industrial processes to biological systems.
1
Both A and R are true, and R is the correct explanation of A
2
Both A and R are true, but R is not the correct explanation of A
3
A is true, but R is false
4
A is false, but R is true