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Types of Chemical Reactions: Fun Examples for Class 10

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Maria Hernandez

7/5/2023

Chemistry

Types of Chemical Reactions

Types of Chemical Reactions: Fun Examples for Class 10

Chemical Reactions: Types, Examples, and Evidence

This comprehensive guide explores the types of chemical reactions with examples Class 10, providing essential information for students studying chemistry. It covers the 5 types of chemical reactions with examples, including combination, decomposition, single displacement, double displacement, and combustion reactions.

...

7/5/2023

203

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Chemistry Notes : Ch 8.2 Types Of Chemical Reations
"Synthesis (aka combination) Reations
Recognize Clues: a single product
Conditio

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Synthesis (Combination) Reactions

Synthesis reactions, also known as combination reactions, involve two or more reactants combining to form a single product.

Definition: A synthesis reaction is a chemical process where two or more simple substances combine to form a more complex compound.

Recognition Clues:

  • A single product is formed

Generic Equation: A + B → AB

Examples:

  1. H₂ + O₂ → H₂O
  2. Mg + O₂ → MgO
  3. Fe + O₂ → Fe₂O₃
  4. S + O₂ → SO₃

Highlight: In synthesis reactions, elements or simple compounds combine to form more complex substances.

Generic Equations:

  1. M + O₂ → MO whereMisametalwhere M is a metal
  2. X + O₂ → XO whereXisanonmetalwhere X is a non-metal

Decomposition Reactions

Decomposition reactions are the opposite of synthesis reactions, where a single compound breaks down into simpler substances.

Definition: A decomposition reaction is a chemical process in which a single compound breaks down into two or more simpler substances.

Recognition Clues:

  • A single reactant breaks down

Generic Equation: AB → A + B

Examples:

  1. H₂O → H₂ + O₂
  2. MgCO₃ → CO₂ + MgO

Example: The decomposition of water H2OH₂O into hydrogen H2H₂ and oxygen O2O₂ through electrolysis is a classic example of a decomposition reaction.

Single Displacement Reactions

Single displacement reactions, also known as replacement reactions, involve an element replacing another element in a compound.

Definition: A single displacement reaction occurs when an element reacts with a compound, replacing one of its elements to form a new compound and a free element.

Recognition Clues:

  • An element reacts with an ionic compound

Conditions:

  1. For metals: The replacing metal must be higher on the activity series of metals.
  2. For halogens: The replacing halogen must be higher on the periodic table.

Generic Equations:

  1. A + BC → AC + B whereAismorereactivethanBwhere A is more reactive than B
  2. X + YZ → XZ + Y whereXisamorereactivehalogenthanYwhere X is a more reactive halogen than Y

Examples:

  1. Li + Fe₂O₃ → Fe + Li₂O
  2. Al + Na₂O → Al₂O₃ + Na
  3. F₂ + HBr → HF + Br₂

Highlight: The reactivity of elements plays a crucial role in determining whether a single displacement reaction will occur.

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Chemistry

203

Jul 6, 2025

2 pages

Types of Chemical Reactions: Fun Examples for Class 10

user profile picture

Maria Hernandez

@mariahernandez

Chemical Reactions: Types, Examples, and Evidence

This comprehensive guide explores the types of chemical reactions with examples Class 10, providing essential information for students studying chemistry. It covers the 5 types of chemical reactions with examples, including combination,... Show more

L
4
q
F
Chemistry Notes : Ch 8.2 Types Of Chemical Reations
"Synthesis (aka combination) Reations
Recognize Clues: a single product
Conditio

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Synthesis (Combination) Reactions

Synthesis reactions, also known as combination reactions, involve two or more reactants combining to form a single product.

Definition: A synthesis reaction is a chemical process where two or more simple substances combine to form a more complex compound.

Recognition Clues:

  • A single product is formed

Generic Equation: A + B → AB

Examples:

  1. H₂ + O₂ → H₂O
  2. Mg + O₂ → MgO
  3. Fe + O₂ → Fe₂O₃
  4. S + O₂ → SO₃

Highlight: In synthesis reactions, elements or simple compounds combine to form more complex substances.

Generic Equations:

  1. M + O₂ → MO whereMisametalwhere M is a metal
  2. X + O₂ → XO whereXisanonmetalwhere X is a non-metal

Decomposition Reactions

Decomposition reactions are the opposite of synthesis reactions, where a single compound breaks down into simpler substances.

Definition: A decomposition reaction is a chemical process in which a single compound breaks down into two or more simpler substances.

Recognition Clues:

  • A single reactant breaks down

Generic Equation: AB → A + B

Examples:

  1. H₂O → H₂ + O₂
  2. MgCO₃ → CO₂ + MgO

Example: The decomposition of water H2OH₂O into hydrogen H2H₂ and oxygen O2O₂ through electrolysis is a classic example of a decomposition reaction.

Single Displacement Reactions

Single displacement reactions, also known as replacement reactions, involve an element replacing another element in a compound.

Definition: A single displacement reaction occurs when an element reacts with a compound, replacing one of its elements to form a new compound and a free element.

Recognition Clues:

  • An element reacts with an ionic compound

Conditions:

  1. For metals: The replacing metal must be higher on the activity series of metals.
  2. For halogens: The replacing halogen must be higher on the periodic table.

Generic Equations:

  1. A + BC → AC + B whereAismorereactivethanBwhere A is more reactive than B
  2. X + YZ → XZ + Y whereXisamorereactivehalogenthanYwhere X is a more reactive halogen than Y

Examples:

  1. Li + Fe₂O₃ → Fe + Li₂O
  2. Al + Na₂O → Al₂O₃ + Na
  3. F₂ + HBr → HF + Br₂

Highlight: The reactivity of elements plays a crucial role in determining whether a single displacement reaction will occur.

L
4
q
F
Chemistry Notes : Ch 8.2 Types Of Chemical Reations
"Synthesis (aka combination) Reations
Recognize Clues: a single product
Conditio

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Types of Chemical Reactions

This document provides an in-depth overview of the 5 types of chemical reactions with examples, essential for understanding chemical processes in Class 10 chemistry.

  • Synthesis CombinationCombination Reactions
  • Decomposition Reactions
  • Single Displacement Reactions
  • Double Displacement Reactions
  • Combustion Reactions

Each type of reaction is explained with recognition clues, conditions, generic equations, and specific examples to aid comprehension.

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Stefan S

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This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.

Samantha Klich

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iOS user

I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️

Thomas R

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Brad T

Android user

Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍

David K

iOS user

The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!

Sudenaz Ocak

Android user

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Greenlight Bonnie

Android user

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iOS user

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Elisha

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This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!

Paul T

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