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🧪 Interactive Learning

Science Simulations

Learn science through hands-on virtual experiments. Free, browser-based, no installation required.

⚗️ Chemistry

🧪
Laboratory Preparation of NH₃
Free

Prepare ammonia gas by heating ammonium chloride with calcium hydroxide. Collect by downward displacement of air.

8 views Launch
🧪
Laboratory Preparation of O₂ (no heat)
Free

Prepare oxygen gas using hydrogen peroxide and manganese dioxide catalyst. No heat required.

9 views Launch
🧪
Laboratory Preparation of H₂
Free

Prepare hydrogen gas by reacting zinc with dilute hydrochloric acid. Collect by downward displacement of water.

3 views Launch
⚗️
Laboratory Preparation of CO₂
Free

Prepare carbon dioxide gas by reacting calcium carbonate with dilute hydrochloric acid. Collect by upward displacement of air.

23 views Launch
🧪
Laboratory Preparation of O₂ (with heat)
Free

Prepare oxygen gas by heating potassium chlorate with manganese dioxide catalyst. Collect over water.

3 views Launch
🧪
Laboratory Preparation of N₂
Free

Prepare nitrogen gas by heating ammonium chloride with sodium nitrite. Collect over water.

6 views Launch
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