For a science project, Janet performs four experiments that are supposed to show a chemical reaction. She displays her results in a table.




Experiment
SubstancesEvidence of reactionChemical reaction?

1
Water + heatGas formationYes

2
Vinegar + baking sodaGas formationYes

3
Cabbage juice + lemon juiceColor changeYes

4
Liquid A + Liquid BPrecipitate formationYes






In the column titled "Chemical reaction?", which experiment's data should be changed to "No"?

AExperiment 1
BExperiment 2
CExperiment 3
DExperiment 4