Embibe Big Book for Physical Science for West Bengal Board Class 9

Physical Science

Separation of Components of Mixtures

This chapter covers topics such as Different Methods of Separation of Mixtures and Need of Separation of Components of Mixtures.

This topic covers the concept of Need of Separation of Substances.

Need of Separation of Components of Mixtures

This topic covers concepts such as Separation of Components of Mixtures, Separation of Mixture of Two Immiscible Liquids, Distillation for Separation of Two Miscible Liquids, Fractional Distillation, Applications of Separating Funnel, etc.

Different Methods of Separation of Mixtures

PHYSICAL SCIENCE & ENVIRONMENT CLASS 9

Separation Techniques - II

Refining of Petroleum

Need for Separation of Substances

Separation of Dyes in Black Ink by Chromatography

Simple Distillation

Concept of Simple Distillation

Introduction to Sublimation

Sublimation as a Separation Technique

Separation of Liquid-Liquid Mixtures

This chapter covers topics such as Purification of Water, Water Pollution, Importance of Water, Properties of Water, Soft Water and Hard Water, and Water—Universal Solvent and Introduction to Water.

Water

This chapter covers topics such as Chemical Properties of Some Important Acids and Bases, Salt and it's Classification, Bases, pH Scale and its Importance, Importance of pH in Everyday Life, Acids, Acid Rain, Neutralisation, Indicators, etc.

Acids, Bases and Salts

This chapter covers topics such as Soaps and Detergents, Mixture, Solutions, Solubility, Strength of a Solution in Different Units, Colloids and Suspension, Crystals and Crystallisation, Emulsions, Dissolution of Ionic compound, etc.

Solution

This chapter covers topics such as Mole Concept, Molecular Mass and Formula Mass, Atomic Mass and Gram Atomic Mass, and Relation of Mole with Other Parameters.

Mole Concept

This chapter covers topics such as Subatomic Particles, Atomic Models, Distribution of Electrons in Different Orbits(Shells), Isotopes, Isobars, Isotones and Iso-electronics, Electron Transitions and Formation of Cations, Composition of Atom, etc.

Atomic Structure

Separation of Components of a Mixture

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Separation of Components of Mixtures

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