Acids and Bases
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What do acids produce when dissolved in water?
Back
Hydrogen ions (H+) are produced when acids are dissolved in water.
2.
FLASHCARD QUESTION
Front
What is the pH of pure water?
Back
Pure water has a pH of 7 and is considered a neutral substance.
3.
FLASHCARD QUESTION
Front
What pH value indicates a weaker base?
Back
Weaker bases have a pH closer to 8.
4.
FLASHCARD QUESTION
Front
What pH value indicates a basic solution?
Back
A basic solution has a pH greater than 7, for example, a pH of 9.
5.
FLASHCARD QUESTION
Front
Which ion is more present in a basic solution?
Back
In a basic solution, hydroxide ions (OH-) are more present.
6.
FLASHCARD QUESTION
Front
What is the definition of an acid?
Back
An acid is a substance that donates hydrogen ions (H+) in a solution.
7.
FLASHCARD QUESTION
Front
What is the definition of a base?
Back
A base is a substance that accepts hydrogen ions (H+) or donates hydroxide ions (OH-) in a solution.
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