2.1.1 Acids and Bases in the Laboratory
Discover how indicators reveal chemical properties
Chemical Indicators
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Step 1
Description
Interactive Demonstrations
📊 Observation Table for Activity 2.1
| Substance | Type | Red Litmus | Blue Litmus | Phenolphthalein | Methyl Orange |
|---|---|---|---|---|---|
| HCl | Acid | Remains Red | Turns Red | Colorless | Turns Red |
| H₂SO₄ | Acid | Remains Red | Turns Red | Colorless | Turns Red |
| NaOH | Base | Turns Blue | Remains Blue | Turns Pink | Turns Yellow |
| KOH | Base | Turns Blue | Remains Blue | Turns Pink | Turns Yellow |