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Questions and Answers
What is the pH value of a substance that is considered neutral?
What is the pH value of a substance that is considered neutral?
Which substance listed has the lowest pH value, indicating it is the most acidic?
Which substance listed has the lowest pH value, indicating it is the most acidic?
Which of the following substances is likely to have a basic pH?
Which of the following substances is likely to have a basic pH?
What range of pH values represents basic substances?
What range of pH values represents basic substances?
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Which of the following substances would have a pH value closest to that of blood?
Which of the following substances would have a pH value closest to that of blood?
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Study Notes
pH Scale
- Measures the acidity or basicity of a substance
- Stands for "power of hydrogen"
- Ranges from 0 to 14
- Values below 7 are acidic
- Values above 7 are basic
- 7 is neutral
Examples of pH Values
- Stomach acid: 1.5
- Battery acid: Highly acidic
- Pure rainwater: 5.6 (Slightly acidic)
- Blood: 7.4 (Slightly basic)
- Ammonia: Highly basic
- Hand soap: Basic
- Bleach: Highly basic
- Drain cleaner: Highly basic
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Description
Test your knowledge on the pH scale and its significance in measuring acidity and basicity. This quiz covers the range of pH values, examples of substances at different points on the scale, and their implications. Perfect for chemistry students or anyone interested in the science of acids and bases.
