A solution with reasonably permanent pH is called a/an _______________ solution?
Correct answer: C. Buffer
- A. Ideal
- B. Non-ideal
- C. Buffer
- D. Colloidal
Explanation
A buffer contains a weak acid and its conjugate base, or a weak base and its conjugate acid, so it resists pH changes when small amounts of acid or base are added. The other options do not specifically describe pH resistance.
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