Acids and Bases
Flashcard
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an acid?
Back
An acid is a substance that donates protons (H+) in a solution and has a pH less than 7.
2.
FLASHCARD QUESTION
Front
What is a base?
Back
A base is a substance that accepts protons (H+) or donates hydroxide ions (OH-) in a solution and has a pH greater than 7.
3.
FLASHCARD QUESTION
Front
What is the pH scale?
Back
The pH scale measures how acidic or basic a solution is, ranging from 0 (very acidic) to 14 (very basic), with 7 being neutral.
4.
FLASHCARD QUESTION
Front
What is acid rain?
Back
Acid rain is precipitation that has a pH lower than 5.6, often caused by pollution.
5.
FLASHCARD QUESTION
Front
What is a neutral solution?
Back
A neutral solution has a pH of 7, meaning it is neither acidic nor basic.
6.
FLASHCARD QUESTION
Front
What is the property of bases related to taste?
Back
Most bases taste bitter.
7.
FLASHCARD QUESTION
Front
What is a common indicator used to test pH?
Back
Litmus paper is a common indicator that turns red in acidic solutions and blue in basic solutions.
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