CBSE Science Class 10 Complete Notes chapter wise with Questions answers 2023-24

CBSE Science Class 10  Complete Notes chapter wise with Questions answers 2023-24

1. Chemical Reactions and Equations

• Introduction to Chemical Equations:
• Skeletal Chemical Equation
• Balanced Equation
• Unbalanced Equation
• Word-Equation
• Chemical Equations by using chemical formulae
• Balancing Chemical Equations:
• Counting Atoms
• Steps for Balancing
• Types of Chemical Reactions:
• Combination Reactions with examples
• Exothermic chemical reactions with examples
• Decomposition Reaction with examples
• Endothermic Reactions with examples
• Displacement Reaction or single replacement reaction with examples
• Double Displacement Reaction or double replacement reaction or metathesis reaction with examples
• Oxidation
• Reduction
• Redox reactions with examples
• The Effects of Oxidation Reactions in everyday life:
• Corrosion
• Rancidity
• In-text Questions Answers
• Exercise Questions Answers

2. Acids, Bases and Salts

• Remind terms which learn in previous class
• Matter
• States of matter
• Element
• Compound
• Mixtures
• Colloids
• Suspensions
• Types of compounds
• Non-Ionizable Compounds (Nonelectrolytes)
• Ionizable Compounds (Electrolytes)
• Acids
• Bases
• Salts
• The Chemical Properties of Acids and Bases
• Acid-Base Reactions
• Reaction of Metallic Oxides with Acids
• Reaction of Non-Metallic Oxides with Base
• Reaction of Metal with Acids
• Reaction of Metal with Base
• Reaction of Metal Carbonates with Acids
• Reaction of Metal Carbonates with base
• Reaction of Metal Hydrogencarbonates with Acids
• Reaction of Metal Hydrogencarbonates with Base
• Arrhenius’ Theory of Acids and Bases
• Acid, Base and Reactions
• Bronsted-Lowry theory
• Acid and base
• Important point in this theory
• Physical Test of Acid and Base
• Taste
• Effect on Indicators by Acids and Bases
• Litmus
• Methyl Orange
• Phenolphthalein
• Common Characteristics of Acids and Bases
• When an acid is dissolved in water
• When an base is dissolved in water
• Difference between a Base and an Alkali
• Dilution of Acids and Bases
• Hydronium Ion
• Use of Acid-Base Indicators
• Importance of pH in Everyday Life
• Salts
• Chemicals from Common Salt
• Sodium hydroxide
• Bleaching powder
• Baking soda
• Washing soda
• Are the Crystals of Salts really Dry?
• Plaster of Paris

• In-text Questions Answers
• Exercise Questions Answers

3. Metals and Non-metals

• Physical Properties of Metals and Non-metals
• Physical Properties of Metals
• Physical Properties of Non-Metals
• Exceptions in Physical Properties
• Examples of Metals and Non-metals
• Chemical Properties of Metals and Non-metals
• Chemical Properties of Metals
• Reaction of Metals with Oxygen (Metals burnt in Air)
• Basic Oxides of Metals
• Amphoteric Oxides of Metals
• Roasting
• Calcination
• Reaction of Metals with Water or steam
• Reaction of Metals with Acids
• Reactions of Metals with Dilute Hydrochloric Acid (HCl)
• Reaction with Nitric Acid
• Reactivity of Metals with HCl
• Metals reaction with Solutions of other Metal Salts
• Displacement reaction
• The Reactivity Series
• Aqua regia
• How Do Metals and Non-Metals React?
• Electronic configurations of some elements
• Formation of Sodium Chloride
• Formation of Magnesium Chloride
• Properties of Ionic compounds
• Occurrence of Metals
• Sources of Metals
• Extraction of Metals
• Extraction Steps
• Enrichment of Ores
• Extracting Metals Low in the Activity Series
• Extraction of Metals in the Middle of the Activity Series
• Extraction of Metals towards the Top of the Activity Series
• Corrosion and Prevention
• Alloying and Its Benefits
• In-text Questions Answers
• Exercise Questions Answers

4. Carbon and its Compounds

5. Life Processes

6. Control and Coordination

7. How do Organisms Reproduce?

8. Heredity

9. Light – Reflection and Refraction

10. The Human Eye and the Colourful World

11. Electricity

12. Magnetic Effects of Electric Current

13. Our Environment