What do you observe when you drop a few drops of acetic acid into a test tube containing: (a) Phenolphthalein, (b) Universal indicator, (c) Distilled water, (d) Sodium hydrogen carbonate?
a) (a) No change, (b) Red color, (c) Effervescence, (d) Effervescence
b) (a) Red color, (b) No change, (c) No change, (d) Effervescence
c) (a) No change, (b) Red color, (c) No change, (d) Effervescence
d) (a) Red color, (b) Red color, (c) Effervescence, (d) No change
