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Course: Class 10 Chemistry (India) > Unit 2

Lesson 4: Strength of acid and base
Science
Class 10 Chemistry (India)
Acids, bases, and salts
Strength of acid and base
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Effect of concentration on pH change

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Problem

In the chemical industry, Sabreen manufactures a moisturizing cream by adding a solution into a secret chemical where pH increases from 7 to 8.5.
When pH increases from 7 to 8.5, the concentration of OH− ion ___ .
Choose 1 answer: