5
5Keywords:
acids
alkalis
bases
pH scale
properties
Task: Using the given pH, classify 10 common substances as acidic, basic, or neutral. Assessment focus: knowledge of the pH scale
5
2
0
1
2
3
1
1
1
1
0
2
2
3
1
0
3
1
6
4
10
1
2
3
0
