Which material possesses the highest pH?
Correct answer: C. Milk of magnesia
- A. Soft drinks
- B. Bananas
- C. Milk of magnesia
- D. Sea water
Explanation
The basic pH of milk of magnesia helps neutralize overactive stomach acids that cause heartburn.
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About pH and pOH
pH measures hydrogen ion concentration and pOH measures hydroxide ion concentration on a logarithmic scale. Calculations use pH = minus log of hydrogen ion concentration, pOH = minus log of hydroxide ion concentration and pH plus pOH equals pKw, with separate treatment of strong and weak acids and bases.
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