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Solutions — Study Plan

IISER Aptitude Test · Chemistry

Step-by-step Solutions study plan for IISER Aptitude Test Chemistry 2026 — structured month-wise approach to mastering this chapter.

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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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How to Study Solutions

A structured approach to studying Solutions for IISER Aptitude Test Chemistry.

Study Plan for Solutions

1

Day 1–2: Learn the Theory

Study the chapter thoroughly. Note down definitions, formulas, and key concepts.

2

Day 3: Practice Problems

Solve practice questions and previous year IISER Aptitude Test problems. There are 639 questions available for this chapter.

3

Day 4: Revise & Test

Revise key formulas and concepts without looking at notes. Take a practice quiz to test your understanding.

What to Focus On

  • Solutions are homogeneous mixtures with uniform distribution at molecular level
  • Solvent is present in larger quantity, solute in smaller quantity
  • Nine types based on physical states: solid-solid, solid-liquid, solid-gas, liquid-solid, liquid-liquid, liquid-gas, gas-solid, gas-liquid, gas-gas

  • Mass percentage: (Mass of solute/Total mass) × 100
  • Molarity: Moles of solute per liter of solution
  • Molality: Moles of solute per kg of solvent

  • Solubility = maximum solute dissolved at given temperature
  • Like dissolves like principle
  • Henry's Law: p = KH × x for gases in liquids

Common Mistakes to Avoid

Molarity and Molality are the same thing and can be used interchangeably

Raoult's Law applies to all solutions regardless of their nature

van't Hoff factor (i) is always equal to the number of ions formed during dissociation

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Frequently Asked Questions

What topics are covered in Solutions for IISER Aptitude Test?
Solutions is an important chapter in IISER Aptitude Test Chemistry. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: Types of Solutions and Basic Concepts, Concentration of Solutions, Solubility and Henry's Law, Raoult's Law and Vapor Pressure.
How important is Solutions for IISER Aptitude Test?
Solutions is a frequently tested chapter in IISER Aptitude Test Chemistry. Questions from this chapter appear regularly in previous year papers. There are 639 practice questions available for this chapter.
How to prepare Solutions for IISER Aptitude Test?
Start by understanding the core concepts, then solve practice questions. Focus on formulas and their applications. Use revision notes for quick review before the exam.

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