Year 8 - Acids and Alkalis Flashcards
1
Q
What is the PH for neutral?
A
7
2
Q
What is the PH range for alkalis?
A
8 - 14
3
Q
What is the PH range for acids?
A
0 - 6
4
Q
What colour is litmus indicator for acids?
A
Red
5
Q
What colour is litmus indicator for alkalis?
A
Blue
6
Q
With universal indicator is this acid or alkali?
Blue
A
Alkali
7
Q
With universal indicator is this acid or alkali?
4
A
Acid
8
Q
With universal indicator is this acid or alkali?
Red
A
Acid
9
Q
With universal indicator is this acid or alkali?
13
A
Alkali
10
Q
What is the formula of Hydrochloric acid?
A
HCl
11
Q
What is the formula of sulphuric acid?
A
H2SO4
12
Q
What hazard sign is this?
☢️
A
Radiation
13
Q
What hazard sign is this?
☣️
A
Biohazard
14
Q
What hazard sign is this?
☠️
A
Toxic
15
Q
What hazard sign is this?
❌h
A
Harmful