Question

3. Explain, giving one example for each of the following
chemical changes:
(a) Double decomposition (b) Thermal dissociation
(c) Reversible reaction (d) Displacement​

Answer 1

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ICSE Selina Solution for Class 9 Chemistry Chapter 2 Chemical Changes and Reaction is presented here for the benefit of the students. Selina Solution for class 9 Chemistry is prepared by a subject expert after comprehensive research and understanding of the concepts involved in chemical changes and reactions.

ICSE Selina solutions are one of the best study materials that most expert teachers recommend to students studying ICSE Syllabus. Studying it thoroughly will aid you in an understanding the concepts and will build a problem-solving capacity in you.

This ICSE Selina Concise Solution for class 9 chapter 2 supports you in understanding types of chemical changes such as direct combination, decomposition, displacement and double replacement. After studying this study resource, you will also be able to attain knowledge on energy changes in a chemical reaction, meaning and examples of exothermic and endothermic reactions.

Chemical change

Characteristics of chemical change

Types of chemical reactions

Energy change in chemical reactions

Photochemical reaction