NCERT MASTER 2026
25:00
Class 10 • Science • Chapter 1
Chemical Reactions and Equations
Complete Online Mock Test for Board Exam 2026. Covers Balancing, Types of Reactions, Corrosion, and Rancidity.
🔥 Quick Revision Points
- Chemical Change: Permanent change forming new substances (e.g., Burning, Rusting).
- Combination: Two reactants form one product (A + B → AB).
- Decomposition: One reactant breaks into products (AB → A + B).
- Displacement: High reactive metal displaces low reactive metal.
- Redox: Oxidation (Gain O2) and Reduction (Lose O2) happen together.
- Rancidity: Oxidation of fats/oils causing bad smell (Prevented by Nitrogen).
NCERT Class 10 Science Chapter-wise Online Tests
- Chapter 1: Chemical Reactions and Equations – Online Test
- Chapter 2: Acids, Bases and Salts – Online Test
- Chapter 3: Metals and Non-metals – Online Test
- Chapter 4: Carbon and its Compounds – Online Test
- Chapter 5: Life Processes – Online Test
- Chapter 6: Control and Coordination – Online Test
- Chapter 7: How Do Organisms Reproduce – Online Test
- Chapter 8: Heredity and Evolution – Online Test
- Chapter 9: Light – Reflection and Refraction – Online Test
- Chapter 10: The Human Eye and the Colourful World – Online Test
- Chapter 11: Electricity – Online Test
- Chapter 12: Magnetic Effects of Electric Current – Online Test
- Chapter 13: Our Environment – Online Test
- Chapter 14: Sources of Energy – Online Test
- Chapter 15: Management of Natural Resources – Online Test
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