Language of Chemistry
ICSE · Class 7 · Chemistry
Complete topic list for Language of Chemistry in ICSE Class 7 Chemistry. Key concepts, sub-topics, and what to focus on for board exams.
Interactive on Super Tutor
Studying Language of Chemistry? Get the full interactive chapter.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for syllabus and more.
1,000+ Class 7 students started this chapter today

Learn better with visuals Super Tutor has hundreds of illustrations like this across every chapter — all free to try.
Get startedTopics in Language of Chemistry
1. Chemical Reaction and Its Parts
- A chemical reaction is a chemical change in matter that forms one or more new substances.
- A chemical reaction also involves transfer of energy.
- During a chemical reaction, atoms rearrange to form products but are neither destroyed nor newly created.
2. Examples of Chemical Reactions
- Hydrogen and oxygen react to form water.
- Mercuric oxide decomposes on heating to give mercury and oxygen.
- Potassium chlorate decomposes on heating in the presence of manganese dioxide to give potassium chloride and oxygen.
3. Characteristics of Chemical Reactions
- Change of colour can show that a chemical reaction has taken place.
- Evolution of a gas is a common sign of a reaction.
- Formation of a precipitate is another sign of a reaction.
4. Conditions Needed for Chemical Reactions
- Close contact is needed for many reactions.
- Some reactions occur only in solution form.
- Some reactions need heat.
Key Concepts
Central concept: Language of Chemistry in chemistry uses symbols, formulae, word equations, and chemical equations to describe chemical reactions clearly and briefly.
Frequently Asked Questions
What are the important topics in Language of Chemistry for ICSE Class 7 Chemistry?
How to score full marks in Language of Chemistry — ICSE Class 7 Chemistry?
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Language of Chemistry
Practice Quiz
Test yourself with a quick quiz
Important Questions
Practice with board exam-style questions
Revision Notes
Key points for last-minute revision
Formula Sheet
All formulas in one place
Chapter Summary
Understand the chapter at a glance
Concept Maps
See how topics connect visually
Study Plan
Step-by-step plan to ace this chapter
Flashcards
Quick-fire cards for active recall
NCERT Solutions
Every textbook question solved step by step
For serious students
Get the full Language of Chemistry chapter — for free.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for ICSE Class 7 Chemistry.