NCERT : Science
Science
Chapter 1
Chemical reactions
Exercises
Chapter 2
Acids, Bases and Salts
Exercises
Chapter 3
Metals and Non metals
Exercises
Chapter 4
Carbon and its compounds
Exercises - Objective Questions
Chapter 5
Periodic Classification of Elements
Exercises
Chapter 10
Light- Reflection and Refaction
Exercises
Chapter 11
The Human Eye and colourful World
Exercises
Chapter 12
Electricity
Exercises
Chapter 13
Magnetic Effect of Electric Current
Exercises
Chapter 14
Sources of Energy
Exercises
Chapter 15
Our Environment
Exercise
Chapter 16
Management of Natural Resources
Exercises
