Acids And Alkalis Flashcards
1
Q
Acid
A
A substance that forms H+ions
2
Q
Alkali
A
A soluble base that contains OH- ions
3
Q
Base
A
A substance that will neutralise an acid pH7+
4
Q
The pH scale
A
A scale that measures how acidic a substance is
5
Q
Indicator
A
A substance that changes colour in an acid or alkali
6
Q
Litmus indicator
A
Turns red with acid and blue with alkali
7
Q
Universal indicator
A
Tells us the strength of an acid or alkali using the ph scale. Red is acid blue is alkali and green is neutral
