pH investigation Flashcards
term 4
1
Q
What is the pH for acidic?
A
0-6
2
Q
Colour for acidic?
A
red, yellow, green.
3
Q
What are the hydrogen and hydroxide ions in acidic?
A
Lots of H+ and less OH-
4
Q
Example of acid?
A
Citric acid and Hydrochloric acid
5
Q
What is the red litmus reaction to acid?
A
Stays red
6
Q
What is the blue litmus reaction to acid?
A
Turns red
7
Q
What is the pH of neutral?
A
7
8
Q
Colour for neutral?
A
green.
9
Q
What are the hydrogen and hydroxide ions in neutral?
A
They are equal
10
Q
What is the red litmus reaction to neutral?
A
Stays red
11
Q
What is the blue litmus reaction to neutral?
A
Stays blue
12
Q
Examples of neutral?
A
Water and Seawater
13
Q
What is the pH for basic?
A
8-14
14
Q
Colour for basic?
A
blue and purple.
15
Q
What are the hydrogen and hydroxide ions in basic?
A
16
Q
What is H+
A
hydrogen ions
17
Q
What is OH-
A
hydroxide ions
18
Q
A
