Alkali And Others Flashcards
1
Q
Alkali
A
A base that dissolves in water
Has a pH higher than 7.0
2
Q
Acid
A
Contains hydrogen
Reacts with other substances to form salts
pH below 7
3
Q
What is 7 on the pH scale?
A
Neutral
4
Q
pH 0-3
A
Red (0-1)
Orange (2)
Yellow (3)
5
Q
pH 4 - 6
A
Light green (4) Green (5 - 6)
6
Q
pH 8
A
Turqoise / bluish green
7
Q
pH 9 - 14
A
Light blue (9) Blue (10 - 11) Dark blue (12 - 14)
8
Q
Alkaline definition
A
Having the properties of an alkali
/containing an alkali
Having a pH greater than 7
9
Q
Base definition
A
Substances which react with acids
10
Q
What does the universal indicator do?
A
Shows pH to indicate acidity or alkalinity of solutions
11
Q
Explosive
A
Exploding bomb
12
Q
Flammable
A
Flame
13
Q
Oxidising
A
Flame over circle
14
Q
Corrosive
A
Hand and material being corroded
15
Q
Acute toxicity
A
Skull and crossbones
