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Questions and Answers
What is a characteristic of acids?
What is a characteristic of acids?
Which of the following statements about bases is true?
Which of the following statements about bases is true?
How much more acidic is a solution with a pH of 4 compared to a solution with a pH of 6?
How much more acidic is a solution with a pH of 4 compared to a solution with a pH of 6?
What does litmus paper indicate when it turns red?
What does litmus paper indicate when it turns red?
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On the pH scale, what value represents a neutral solution?
On the pH scale, what value represents a neutral solution?
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Study Notes
Acids & Bases
- Acids: Typically begin with "H+" (hydrogen) and end with "...ic acid". Taste sour, are corrosive (can burn skin), and conduct electricity well
- Bases: Usually end with "OH-" (hydroxide). Taste bitter and conduct electricity better than acids
- pH Scale: Measures acidity/basicity of a solution. Neutral is 7, values below 7 are acidic, and above 7 are basic.
- pH Changes: Each whole number change on the pH scale represents a 10-fold change in strength. For example, a drop from pH 6 to 4 is a 100-fold increase in acidity (10²=100)
- Indicators: Chemicals that change color based on the pH of a solution. Examples include litmus paper (red=acidic, blue=basic) and universal indicators.
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Description
Test your knowledge on the properties of acids and bases, including their definitions, the pH scale, and the role of indicators. This quiz covers essential concepts in chemistry that are vital for understanding reactions and solution behavior. Perfect for students looking to reinforce their understanding of this fundamental topic.
