Science

Chapter 1: Chemical Reactions and Equations

34 questions & step-by-step explanations

Chapter 2: Acid,Bases and Salts

39 questions & step-by-step explanations

Chapter 3: Metals and Non-metals

38 questions & step-by-step explanations

Chapter 4: Carbon and its Compound

24 questions & step-by-step explanations

Chapter 5: Periodic Classification of Elements

30 questions & step-by-step explanations

Chapter 6: Life Processes

13 questions & step-by-step explanations

Chapter 7: Control and Coordination

12 questions & step-by-step explanations

Chapter 8: How do Organism Reproduce?

11 questions & step-by-step explanations

Chapter 9: Heredity and Evolution

12 questions & step-by-step explanations

Chapter 10: Light -Reflection and Refraction

34 questions & step-by-step explanations

Chapter 11: The Human Eye and Colourful World

18 questions & step-by-step explanations

Chapter 12: Electricity

49 questions & step-by-step explanations

Chapter 13: Magnetic Effects of Electric Current

39 questions & step-by-step explanations

Chapter 14: Sources of Energy

24 questions & step-by-step explanations

Chapter 15: Our Environment

9 questions & step-by-step explanations

Chapter 16: Sustainable Management of Natural Resources

7 questions & step-by-step explanations