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Chapter Summary

Solutions

ICSE · Class 12 · Chemistry

Summary of Solutions for ICSE Class 12 Chemistry. Key concepts, important points, and chapter overview.

100 questions40 flashcards5 concepts

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An infographic illustrating different types of solutions based on the physical state of solute and solvent, including gaseous, liquid, and solid solutions, with common examples for each.
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Overview

Solutions are homogeneous mixtures of two or more substances. The chapter covers the types of solutions, ways of expressing concentration, behaviour of gases in liquids, vapour pressure and Raoult's law, ideal and non-ideal solutions, azeotropes, colligative properties, osmotic pressure, and abnorma

Key Concepts

A solution is a homogeneous mixture

A solution is a homogeneous mixture of two or more substances. The component present in excess and having the same physical state as the solution is t

Solutions may be gas

Solutions may be gas-gas, gas-liquid, gas-solid, liquid-liquid, liquid-solid, solid-solid, and other combinations. Binary, ternary, and quaternary sol

Mass percentage

Mass percentage, volume percentage, ppm, g/L, molarity, formality, molality, and mole fraction are used to describe composition. Molarity, normality,

At constant temperature

At constant temperature, the solubility of a gas in a liquid is directly proportional to the pressure of the gas. In mole-fraction form, p = KH·χ, whe

For volatile liquids

For volatile liquids, the partial vapour pressure of each component is proportional to its mole fraction: pi = pi°·χi. For a non-volatile solute, vapo

Learning Objectives

  • Define a solution, solute, and solvent
  • Classify solutions according to the physical states of solute and solvent
  • Express concentration using mass percentage, volume percentage, ppm, g/L, molarity, formality, molality, and mole fraction
  • Use relations between concentration units for numerical problems
  • Explain solubility of gases in liquids using Henry's law

Frequently Asked Questions

What are the important topics in Solutions for ICSE Class 12 Chemistry?
Key topics in Solutions include Solutions: Complete Concept Map, Complete Overview of Solutions Chapter, A pie chart showing the relative abundance of different solution types commonly encountered. These are the concepts ICSE Class 12 examiners draw on most — study them first, then practise related questions.
How to score full marks in Solutions — ICSE Class 12 Chemistry?
Understand the core concepts first, then work through the 100 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Solutions

All 10 chapters — ICSE Class 12 Chemistry Chapter Summary

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