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
2
1
1
2
4
3
1
0
0
1
1
3
0
1
4
4
1
2
2
0
1
1
2
