Acids, Bases And Alkalis Flashcards
1
Q
Are all alkalis bases?
A
Yes
2
Q
What happens to litmus paper in acidic solutions?
A
Blue litmus paper turns red
3
Q
What are bases?
A
Bases change the colour of indicators
4
Q
Can bases neutralise acids?
A
Yes
5
Q
What colour do alkali’s turn litmus paper?
A
Blue
6
Q
Acid + alkali =
A
Water (h20)
7
Q
Weak acids have a ph of…?
A
4-6
8
Q
Strong acids have a ph of…?
A
1-3
9
Q
Strong alkali’s have a ph of…?
A
11-14
10
Q
What makes an acid?
A
When a hydrogen ion is released, this makes something acidic
11
Q
Which gas is produced when magnesium reacts with hydrochloric acid
A
Hydrogen
