Unit 6: Chemical Reactions
Topics covered: Physical vs Chemical Changes · Law of Conservation of Mass · Chemical Equations & Balancing · Types of Reactions (Combination, Single/Double Displacement, Combustion) · Exothermic & Endothermic Reactions · Importance in Daily Life · Ionic Bonds · Covalent Bonds · Dot-and-Cross Diagrams
- 13 questions, randomly selected, with shuffled options.
- Total time: 25 minutes. The quiz auto-submits when time runs out.
- Passing marks: 40%.
- Each question shows its reference topic; full solutions appear after submission.
Please fill in Student Name, Father Name and Roll/GR# to continue.