Acids And Bases Flashcards
1
Q
Red litmus stays red and blue litmus stays blue
A
Neutral
2
Q
Red stays red blue changes red
A
Acid
3
Q
Blue stays blue red changes blue
A
Alkaline
4
Q
Five types of combustion
A
Oxidation, reduction, decomposition, displacement, neutralisation
5
Q
pH of 0?
A
Strong acid
6
Q
pH of 4
A
Weak acid
7
Q
pH of 7
A
Neutral
8
Q
pH of 10
A
Weak alkali
9
Q
pH of 14
A
Strong alkali
10
Q
3 common indicators
A
Litmus paper, red cabbage indicator, universal indicator
11
Q
pH
A
A number between 0-14 which shows how acidic or alkaline a solution is
12
Q
Base
A
Substance that neutralises an acid. normally has a pH of 7 or more
13
Q
Alkali
A
Base that dissolves in water
14
Q
Acid
A
Substance that reacts with a base
15
Q
Concentration
A
A measure of number of particles given in volume
