Acids And Alkalis Flashcards
1
Q
On a pH scale 1-6 represents _____
A
Acids
2
Q
On a pH scale 8-14 represents _______
A
Alkalis
3
Q
On a pH scale 7 represents ______
A
Neutral
4
Q
Give an example of a strong acid
A
Sulphuric acid
Hydrochloric acid
5
Q
Give an example of a weak acid
A
Ethanoic acid
6
Q
Give an example of a strong alkali
A
Sodium hydroxide
Limewater
Sodium hydroxide carbonate
7
Q
Give an example of a weak alkali
A
Ammonia
8
Q
What are indicators?
A
They are chemicals that change colour in the presence of an acid or alkali