Acids and Bases
Flashcard
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What happens when acids react with metals?
Back
They produce hydrogen gas and salt.
2.
FLASHCARD QUESTION
Front
Do all bases have a sour taste?
Back
No, that statement is false.
3.
FLASHCARD QUESTION
Front
What is the pH value of ocean water?
Back
Ocean water is slightly basic with a pH value of around 8.
4.
FLASHCARD QUESTION
Front
What is the pH value of milk?
Back
Milk is a very weak acid with a pH value of about 6.5.
5.
FLASHCARD QUESTION
Front
What is the pH value of a neutral substance?
Back
The pH value of a neutral substance is 7.
6.
FLASHCARD QUESTION
Front
What are acids?
Back
Acids are substances that donate protons (H+) in a solution and have a pH less than 7.
7.
FLASHCARD QUESTION
Front
What are bases?
Back
Bases are substances that accept protons (H+) or donate hydroxide ions (OH-) in a solution and have a pH greater than 7.
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