Acids, Bases & Salts Top Notes PDF: IGCSE, O Level Chemistry

Prof. Faisal Mehmood Janjowa
December 21, 2025 12:05 am
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Acids, Bases and Salts Notes PDF for IGCSE & O Level Chemistry Ultimate Guide to Acids, Bases, and Salts for […]

Acids, Bases and Salts Notes PDF for IGCSE & O Level Chemistry

Ultimate Guide to Acids, Bases, and Salts for IGCSE & O Level Chemistry

Download comprehensive notes, revision guides, and practice questions to ace your exams.

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About This Guide

This comprehensive post covers everything you need to know about acids, bases, and salts. It is tailored for students preparing for O Level Chemistry 5070, IGCSE Chemistry 0620, Oxford AQA Chemistry 7405, Edexcel A Level Chemistry 9CHO & YCH11, and Cambridge A Level Chemistry 9701. Get ready to download free PDF notes, practice MCQs, and explore detailed explanations.

Understanding Acids, Bases, and Salts

Definitions:

Acids: Substances that release H⁺ ions in solution, with a pH less than 7..
Bases: Substances that release OH⁻ ions, with a pH greater than 7.
Salts: Ionic compounds formed when acids react with bases, composed of cations and anions.

Properties:

Acids have a sour taste, can turn blue litmus red, and conduct electricity.
Bases feel slippery, taste bitter, and turn red litmus blue.
Salts are generally crystalline solids with high melting points and are electrolytes.

Formation & Reactions:

Acids react with metals, carbonates, and bases to produce salts and other products. For example:

HCl + NaOH → NaCl + H₂O

Types of Salts:

Acidic salts
Basic salts
Neutral salts

Applications in Daily Life:

Vinegar (acetic acid) for cooking
Antacids (basic salts) for indigestion
Fertilizers containing ammonium salts

How to Differentiate:

Test pH with litmus paper
Observe solubility and taste
Use indicators for precise identification

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Our expert teacher, Faisal Janjowa, has helped thousands of students achieve top scores in O Level & IGCSE Chemistry. Here's what our students say:

"Thanks to these notes and classes, I scored A* in my O Level Chemistry!" - Aisha, Student

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FAQs About Acids, Bases, and Salts

What are acids, bases, and salts?: They are fundamental chemical compounds with specific properties and reactions, essential in daily life and industrial applications.
How do I differentiate between acids, bases, and salts?: Use pH testing, indicators, and observe properties like taste and solubility.
What are common examples of salts?: Sodium chloride (table salt), potassium nitrate, and calcium carbonate.
Are salts acidic or basic?: Salts can be neutral, acidic, or basic depending on their constituent ions.
How do acids and bases react to form salts?: Through neutralization reactions, where acids react with bases to produce salt and water.

Conclusion & Call to Action

Master the concepts of acids, bases, and salts with our comprehensive notes, practice papers, and expert guidance. Download PDFs now and start preparing for your exams confidently!

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