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Chemistry · Acids & Bases
⚗️ Acid-Base pH Lab
Add acids or bases to a beaker. Step through 5 guided stages and watch the indicator change color.
🧪 Beaker View
+ Add Acid
+ Add Base
▶ Start Steps
↺ Neutral
Choose a Substance
📋 Step Guide
Step 1 — Pure Water
Pure water starts neutral at pH 7. Click ▶ Start Steps to begin, or add a substance any time.
💡 Key Concept
pH measures how many hydrogen ions (H+) are in a solution. Lower pH = more acidic. Higher pH = more basic (alkaline).
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