Question

A student was given 4 solutions to test with a universal indicator. He reported pH values as solution I: 3, Solution II: 5, Solution III: 7, Solution IV: 9. Which of the following represents a strong alkaline solution?

A Solution III Correct Answer Incorrect Answer
B Solution II Correct Answer Incorrect Answer
C Solution IV Correct Answer Incorrect Answer
D Solution I Correct Answer Incorrect Answer

Solution

The correct answer is C

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