Here are 25 easy and impressive Chemistry Working Model ideas for Class 10 — all based on Class 10 NCERT chapters and perfect for science exhibitions.
1. Electrolysis of Water (Hydrogen & Oxygen Production)
Graphite electrodes + battery + test tubes.
2. pH Scale & Universal Indicator Setup
Acidic, neutral, basic solutions with color chart.
3. Chemical Reactions – Types & Demonstration
Combination, decomposition, displacement, double displacement.
4. Rusting of Iron – Prevention Methods
Show moisture, air, saltwater effect + painting, galvanization.
5. Water Purifier Model
3-layer or 5-layer filtration (sand, charcoal, gravel, cotton).
6. Acid Rain Working Model
SO₂/NO₂ effect on marble, metals, plants.
7. Baking Soda Volcano / CO₂ Gas Production
Vinegar + baking soda reaction model.
8. Hard Water vs Soft Water Testing Device
Soap lather comparison + temporary & permanent hardness.
9. Titration Model (Acid–Base Neutralization)
Burette + indicator color change demo.
10. Electroplating Model
Copper electroplating on iron nail/spoon.
11. Gas Evolution Reaction Model
Metal + acid → hydrogen gas (safe demo with Mg + HCl).
12. Periodic Table Interactive Chart
Group, period, metal/non-metal colour coding.
13. Types of Salts Model
Normal, acidic, basic, double salts with examples.
14. Carbon & Its Compounds Model
Tetrahedral structure, homologous series, isomers.
15. Soap Making Model (Saponification)
Fats + NaOH forming soap.
16. Water Hardness Removal (Ion Exchange)
Zeolite or resin-based model.
17. Greenhouse Effect Model
Two chambers showing CO₂ trapping heat.
18. Colloids & Tyndall Effect Demo
Torch beam in milk solution.
19. Crystallization Setup
Copper sulfate/sugar crystal formation.
20. Electrochemical Cell (Simple Battery)
Lemon/potato/saltwater battery lighting an LED.
21. Wastewater Treatment Plant (Chemical Processes)
Coagulation, sedimentation, aeration, filtration.
22. Plastic Recycling & Biodegradable Plastic Model
Starch-based polymer demonstration.
23. Properties of Acids & Bases
Reaction with metals, carbonates, indicators.
24. Combustion Chemistry Model
Oxygen requirement, incomplete vs complete combustion.
25. Human Respiration Chemistry Model
CO₂ exchange, limewater test for exhaled air.