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 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.
2.
FLASHCARD QUESTION
Front
What is an acid?
Back
An acid is a substance that donates protons (H+ ions) in a solution and has a pH less than 7.
3.
FLASHCARD QUESTION
Front
What is a base?
Back
A base is a substance that accepts protons (H+ ions) or donates hydroxide ions (OH-) in a solution and has a pH greater than 7.
4.
FLASHCARD QUESTION
Front
What happens when an acid reacts with a metal?
Back
When an acid reacts with a metal, it produces hydrogen gas and a salt.
5.
FLASHCARD QUESTION
Front
What is the pH of strong acids?
Back
Strong acids typically have pH values close to 0.
6.
FLASHCARD QUESTION
Front
What is the pH of strong bases?
Back
Strong bases typically have pH values close to 14.
7.
FLASHCARD QUESTION
Front
What is neutralization?
Back
Neutralization is a chemical reaction between an acid and a base that produces water and a salt.
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