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WorksheetsAcids and bases - the pH scale
Total questions: 16
Worksheet time: 16mins
The pH scale ranges in numbers from 0 to...
7
20
14
17
A/n (a) releases H+ ions in a solution
A/n (a) releases OH- ions in a solution
What does pH represent?
potential for hydrogen
concentration of hydrogen atoms
polarising hydrogen
properties of hydrogen
On the pH scale, what does red represent?
Acids
Bases
Alkaline
Neutral
An acid has a pH of
0-6
7
8-14
3-5
7-15
A base has a pH of
0-6
7
4-9
8-14
7-14
A weak acid is....
A strong base is....
Which is more acidic: water (pH 7), bleach (pH 12), tomato juice (pH 4) or milk (pH 6)
Water
Bleach
Tomato juice
Milk
How can we measure pH?
Universal indicator
Litmus paper
pH measurer
pH meter
Looking at substances and matching them to colours on pH scale
What do acids taste like?
Bitter
Sour
Sweet
Salty
What do bases taste like?
Sour
Sweet
Salty
Bitter
Water is the only truly neutral substance
True
False
Only acids work as electrical conductors in aqueous solutions
True
False
What is the most accurate method of measuring pH?
Cabbage indicator
Universal indicator
pH meter
Litmus paper
