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Formula Sheet

Chemical Changes and Reactions — Formula Sheet

ICSE · Class 9 · Chemistry

9 formulas from Chemical Changes and Reactions (ICSE Class 9 Chemistry) on one page, grouped by topic. Part of the ICSE Class 9 Chemistry syllabus.

43 questions36 flashcards9 formulas & key relations5 concepts

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An infographic illustrating various conditions required for chemical reactions to occur, such as close contact, solution, heat, light, electricity, pressure, and catalysts, with a simple example for e
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9 Entries · 4 Sections

Formulas and Key Relations

1. Core ideas and definitions

A + B → AB

AB + CD → AD + CB

2. Types of chemical change

AB → A + B

A + BC → AC + B

3. Energy changes in reactions

Exothermic reaction = heat released

4. Hydrolysis and salt solutions

Na2CO3 + 2H2O → 2NaOH + H2CO3

K3PO4 + 3H2O → 3KOH + H3PO4

FeCl3 + 3H2O → Fe(OH)3 + 3HCl

ZnSO4 + 2H2O → Zn(OH)2 + H2SO4

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Frequently Asked Questions

What are the important topics in Chemical Changes and Reactions for ICSE Class 9 Chemistry?
Key topics in Chemical Changes and Reactions include Chemical Reaction and Its Signs, Types of Chemical Reactions, Decomposition, Reversible Reactions, and Thermal Dissociation, Catalysts, Promoters, and Activity Series. Study these first, then practise questions on each for Class 9 exams.
How many formulas are in Chemical Changes and Reactions?
This sheet lists 9 formulas from Chemical Changes and Reactions, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
How should I revise Chemical Changes and Reactions for Class 9 exams?
Learn the core ideas first, then work through the 43 practice questions on Chemical Changes and Reactions. Revise 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 Chemical Changes and Reactions

All ICSE Class 9 Chemistry Formula Sheet

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