Acids and Bases

Flashcard
•
Science
•
6th - 8th Grade
•
Hard
Standards-aligned
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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 hydrogen ions (H+) in a solution, typically having a pH less than 7.
Tags
NGSS.MS-PS1-1
3.
FLASHCARD QUESTION
Front
What is a base?
Back
A base is a substance that accepts hydrogen ions (H+) or produces hydroxide ions (OH-) in a solution, typically having a pH greater than 7.
4.
FLASHCARD QUESTION
Front
What happens when an acid reacts with a base?
Back
When an acid reacts with a base, they neutralize each other, producing water and a salt.
5.
FLASHCARD QUESTION
Front
What is a neutral substance?
Back
A neutral substance has a pH of 7, meaning it is neither acidic nor basic.
6.
FLASHCARD QUESTION
Front
What is the effect of adding an alkaline substance to an acidic solution?
Back
Adding an alkaline substance increases the pH of the acidic solution, making it less acidic.
7.
FLASHCARD QUESTION
Front
What ions do bases produce in water?
Back
Bases produce hydroxide ions (OH-) when dissolved in water.
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