Acids, Bases And Salts Flashcards
1
Q
Acids in solution release…
A
H+ ions
2
Q
pH measures …
A
How acidic or alkaline a solution is
3
Q
Alkalis in solution release…
A
OH-
4
Q
You measure the pH of a solution using an…
A
indicator
5
Q
As the concentration of ions increases…
A
the pH decreases
6
Q
Litmus: colour in acid…
A
red
7
Q
Litmus: colour in neutral solution…
A
purple
8
Q
Litmus: colour in base…
A
Blue
9
Q
Methyl orange colour in acid…
A
red
10
Q
Methyl orange colour in neutral solution…
A
yellow
11
Q
Methyl orange colour in base…
A
yellow
12
Q
Phenolphthalein colour in acid…
A
colourless
13
Q
Phenolphthalein colour in neutral solution…
A
colourless
14
Q
Phenolphthalein colour in base…
A
pink
15
Q
a base is…
A
any substance that reacts with an acid to form a salt and water only