Q. Which of the following is a buffer?
A) $NaOH + CH_{3}COOH$
B) $NaOH + Na_{2}SO_{4}$
C) $K_{2}SO_{4} + H_{2}SO_{4}$
D) $NH_{4}OH + NaOH$
Explanation
The correct answer is Option A: $NaOH + CH_{3}COOH$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.