Chp.3 Acids, Bases And Salts Flashcards
1
Q
Name the 3 main indicators used for pH measurements
A
-litmus paper
-universal indicator
-pH meter
2
Q
Name the pH of a strong acid and an example
A
0-2
Hydrochloric acid
3
Q
Name the pH of a weak acid and an example
A
Ethinoic acid
3-6
4
Q
Name the pH of a neutral and an example
A
Sodium chloride
7
5
Q
Name the pH of a weak alkali and an example
A
Ammonia
8-11
6
Q
Name the pH of a strong alkali and an example
A
Sodium hydroxide
12-14
7
Q
What is an acid?
A
Substance that dissolves in water to make H+ ions
8
Q
What is an alkali?
A
Substance that dissolves in water to make OH- ions
9
Q
What is a neutralisation reaction?
A
Acid+Alkali - Salt+Water
10
Q
Metal+Acids -?
A
Metal+Acids - Salt+Hydrogen
11
Q
Metal carbonate+Acids?
A
Metal carbonate+Acid - Salt+water+carbon dioxide
12
Q
Acid+Ammonia?
A
Ammonium salt
