Chemistry is the branch of science concerned with the substances of which matter is composed, the investigation of their properties and reactions, and the use of such reactions to form new substances.
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Chemistry Lesson: Acids and Bases 2

Chemistry Lesson: Acids and Bases 1

Acid - Base Reaction in solution

The PH Scale
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Chemistry Lesson: Acids and Bases 2
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Chemistry Lesson: Acids and Bases 1
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Acid - Base Reaction in solution
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The PH Scale