Acids, Bases And Neutrals: Acid-base indicators - pg. 79 - 80 Flashcards
1
Q
What is an indicator?
A
An indicator is a substance that changes colour when it is added to an acid or a base.
2
Q
What is litmus paper?
A
Litmus paper is a red-blue acid-base indicator.
3
Q
What happens when you put red litmus paper into an acid?
A
It stays red.
4
Q
What happens when you put blue litmus paper into an acid?
A
It turns red.
5
Q
What happens when you put red litmus paper into a base?
A
It turns blue.
6
Q
What happens when you put blue limus paper into a base?
A
It stays blue.
