1. PH Scale Flashcards
1
Q
Soluble bases are called …
A
Alkalis
2
Q
Acids are neutralised by …
A
Bases
3
Q
Acids contain HYDROGEN ions
A
H+ (aq)
4
Q
Alkalis contain hydroxide ions
A
OH-(aq)
5
Q
Acid + metal hydroxide =
A
salt + water
(Neutralisation because the acid is neutralised by an alkali & solution has a PH of 7
6
Q
Acid + metal oxide =
A
salt and water
7
Q
Acid + metal carbonate =
A
salt + water + carbon dioxide
8
Q
Sulfuric acid + potassium hydroxide
A
salt + water
Potassium Sulfate + water
9
Q
What is an ore?
A
Rock that contains metal
10
Q
Which ions are found in alkaline solutions?
A
OH-
11
Q
What does ionised mean?
A
Splits into ions
12
Q
Can else can you find PH?
A
PH probe or PH meter
