Acids and Bases
Flashcard
•
Chemistry
•
7th Grade
•
Practice Problem
•
Hard
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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 chemical reaction and has a pH less than 7. Example: Orange juice.
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 chemical reaction and has a pH greater than 7. Example: Baking soda.
3.
FLASHCARD QUESTION
Front
What is pH?
Back
pH is a scale used to measure the acidity or basicity of a solution, ranging from 0 (strongly acidic) to 14 (strongly basic), with 7 being neutral.
4.
FLASHCARD QUESTION
Front
What does litmus paper indicate?
Back
Litmus paper is used to determine the pH of a substance; it turns red in acidic solutions and blue in basic solutions.
5.
FLASHCARD QUESTION
Front
What is a neutral solution?
Back
A neutral solution is one that has a pH of 7, meaning it is neither acidic nor basic.
6.
FLASHCARD QUESTION
Front
What is the property of bases?
Back
Most bases feel slippery to the touch and can taste bitter.
7.
FLASHCARD QUESTION
Front
What happens when an acid and a base react?
Back
When an acid and a base react, they typically neutralize each other, producing water and a salt.
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