Alkaline PH scale starts from?
Correct answer: A. 8 to 14
- A. 8 to 14
- B. 6 to 10
- C. 7 to 11
- D. 0 to 14
Explanation
On the usual 0 to 14 pH scale, alkaline solutions have pH values greater than 7, commonly written as 8 to 14. Students may select 0 to 14 because it is the complete pH scale rather than the alkaline portion.
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About Buffer Solutions
Buffer solutions resist changes in pH when small amounts of acid or base are added, using a weak acid and its conjugate base or a weak base and its conjugate acid. Work includes buffer action, the common-ion effect, Henderson-Hasselbalch calculations, buffer capacity, and the difference between acidic and basic buffers.
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