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Chemical reactions and equations

Maharashtra Board · Class 10 · Science

Step-by-step guide to study Chemical reactions and equations in Maharashtra Board Class 10 Science. Topics to cover, practice strategy, and time allocation.

45 questions44 flashcards5 concepts

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Study Plan

1
Day 1–2

Learn the Theory

Read the textbook chapter carefully. Note down definitions, formulas, and key concepts.

2
Day 3

Practice Problems

Solve textbook exercises and additional practice questions. There are 45 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. Mark weak areas for re-revision.

4
Day 7

Spaced Revision

Revisit Chemical reactions and equations after a week. Use flashcards for quick recall. Solve previous year questions from this chapter.

What to Focus On

  • Physical change usually changes state or form, not composition.
  • Chemical change changes the composition of matter.
  • Reactants are starting substances.

  • Reactants are written on the left side.
  • Products are written on the right side.
  • The arrow shows the direction of reaction.

  • Heating limestone gives calcium oxide and carbon dioxide.
  • Copper with concentrated nitric acid gives NO2.
  • Copper with dilute nitric acid gives NO.

Common Mistakes to Avoid

Balancing a chemical equation means changing the formulas of compounds until the atom count matches.

A chemical equation is balanced only when the number of molecules is the same on both sides.

The upward arrow and downward arrow are just decoration and can be ignored.

Memory Tips

Definition of chemical reaction

Reactants and products

Physical change and chemical change

Need for octet in bonding

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Frequently Asked Questions

What are the important topics in Chemical reactions and equations for Maharashtra Board Class 10 Science?
Chemical reactions and equations covers several key topics that are frequently asked in Maharashtra Board Class 10 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Chemical reactions and equations — Maharashtra Board Class 10 Science?
Understand the core concepts first, then work through the 45 practice questions available for this chapter. Revise formulas and 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 reactions and equations

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