A buffer solution resists changes in pH because it contains:

A Only a strong acid

B A weak acid and its conjugate base (or weak base and conjugate acid)

C Only water

D A strong base

✓ Correct Answer: Option B

Buffers contain a weak acid-conjugate base pair that neutralize added H⁺ or OH⁻ to maintain pH.

💡 Why is B) the correct answer?

The correct answer to the question "A buffer solution resists changes in pH because it contains:" is Option B: A weak acid and its conjugate base (or weak base and conjugate acid).

The other options — A) Only a strong acid, C) Only water, D) A strong base — are incorrect for this DAT Exam Prep question. As explained above: Buffers contain a weak acid-conjugate base pair that neutralize added H⁺ or OH⁻ to maintain pH.

📚 About This DAT Exam Prep Practice Question

This 2-level DAT Exam Prep question from the General Chemistry topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free DAT Exam Prep practice test or use flashcards for spaced repetition review.

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A buffer solution resists changes in pH because it contains:

✓ Correct Answer: Option B

📚 About This DAT Exam Prep Practice Question

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