Apps ≫ Footprints Written in Acids and Bases

1. Use acidic, neutral, and alkaline droppers to apply drops onto each plate.
2. Add Phenolphthalein, Methyl Orange, and BTB solutions to each plate and mix them.
3. Observe the color change process after mixing.
4. Spray the solution onto the cat's pawprints, check if the color changes, and follow them.
5. Find the cats that made a mess in the lab!