3
4
8Keywords:
baking soda
observation
permanent changes
vinegar
For this practical task students complete a table of observations for the following substances: vinegar, baking soda, and vinegar and baking soda mixed together.
8
0
1
0
2
0
5
2
0
1
1
1
0
1
1
0
1
1
0
1
1
1
1
3
