Which of the following statements is true about buffer solution?AIt keeps the pH value constant in a chemical reaction.BIt decreases the pH value in a chemical reaction.CIt increases the pH value in a chemical reaction.DIt first increases and then decreases the pH value in a chemical reaction.
Which of the following statements is true about buffer solution?
A
It keeps the pH value constant in a chemical reaction.
B
It decreases the pH value in a chemical reaction.
C
It increases the pH value in a chemical reaction.
D
It first increases and then decreases the pH value in a chemical reaction.