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Chemical Reaction and Equations — Revision Notes

Madhya Pradesh Board · Class 10 · Science

Chemical Reaction and Equations revision notes for Madhya Pradesh Board Class 10 Science: 3 topics in quick points.

68 questions80 flashcards3 formulas & key relations5 concepts

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An illustration showing common daily life situations where chemical reactions occur, such as milk turning sour, iron rusting, grapes fermenting, food cooking, food digestion, and respiration.
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Key Topics to Revise

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1. Chemical Reactions and Chemical Equations

  • A chemical reaction takes place when the identity and nature of the initial substance change.
  • Common signs of a chemical reaction are change in state, change in colour, evolution of a gas, and change in temperature.
  • A word equation writes reactants on the left-hand side and products on the right-hand side with an arrow between them.
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2. Types of Chemical Reactions

  • Chemical reactions are classified as combination, decomposition, displacement, double displacement, and redox reactions.
  • A combination reaction forms a single product from two or more reactants.
  • Combination reactions are often exothermic.
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3. Oxidation, Reduction, Corrosion, and Rancidity

  • Oxidation means gain of oxygen or loss of hydrogen.
  • Reduction means loss of oxygen or gain of hydrogen.
  • In the reaction of copper oxide with hydrogen, copper oxide is reduced and hydrogen is oxidised.

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Full Notes

Key Concepts

A chemical reaction forms new substancesA chemical equation is the symbolicA balanced equation has the sameThe symbols (s)A combination reaction is one

Frequently Asked Questions

What are the important topics in Chemical Reaction and Equations for Madhya Pradesh Board Class 10 Science?
Key topics in Chemical Reaction and Equations include Chemical Reactions and Chemical Equations, Types of Chemical Reactions, Oxidation, Reduction, Corrosion, and Rancidity. Study these first, then practise questions on each for the Madhya Pradesh Board Class 10 board exam.
How should I revise Chemical Reaction and Equations for the Madhya Pradesh Board Class 10 board exam?
Learn the core ideas first, then work through the 68 practice questions on Chemical Reaction and Equations. 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.

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