CBSE Class 7 Science Exploring Substances: Acidic Basic and Neutral (Class 7 NCERT New) Quiz 12

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1. If a solution is neither acidic or basic it has a pH of _____________.

A 1 B 13 C 6 D 7

2. What does pH measure?

A how acidic a substance is B how basic a substance is C how acidic or basic substances are D how many hydronium ions and acid produces

3. Ca(OH)2 is caustic lime and is a(n) _________.

A acid or base B buffer C acid D base

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