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Everyday Chemistry · Question 15 of 68

Question 15

EasyOriginal question

What is the pH of pure water at 25 °C?

Options for question 15

Show the answer and explanation
CorrectNot quiteAnswer C

Correct answer: C

Explanation

  1. Pure water is neutral, neither acidic nor basic.

  2. On the pH scale from 0 to 14, neutral is 7; below 7 is acidic and above 7 is basic.

Concept
The pH scale
Typical time
35 s
Your time
—
The rule this testsAcids, bases and salts
Practise this chapter →

Ten questions from Everyday Chemistry, at your own pace.

Practise this chapter →

Ten questions from Everyday Chemistry, at your own pace.