What is chemical reaction ? Explain …

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What is chemical reaction ? Explain briefly

Posted by Priya Singh 5 years, 7 months ago

CBSE > Class 10 > Science

3 answers

Devakshi Sansanwal 5 years, 7 months ago

A reaction in which a change occurs in a substance and results in a change in its identity and composition to form a new substance which has its own characteristics and properties

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Yogita Ingle 5 years, 7 months ago

During a chemical reaction, the substances that react are known as reactants whereas the substances that are formed during a chemical reaction are known as products. Six common types of chemical reactions are discussed below.

Types of Chemical Reactions	Explanation	General Reaction
Combination reaction	Two or more compounds combine to form one compound.	A + B → AB
Decomposition reaction	The opposite of a combination reaction – a complex molecule breaks down to make simpler ones.	AB → A + B
Precipitation reaction	Two solutions of soluble salts are mixed resulting in an insoluble solid (precipitate) forming.	A + Soluble salt B → Precipitate + soluble salt C
Neutralization reaction	An acid and a base react with each other. Generally, the product of this reaction is a salt and water.	Acid + Base → Salt + Water
Combustion reaction	Oxygen combines with a compound to form carbon dioxide and water. These reactions are exothermic, meaning they give off heat.	A + O₂ → H₂O + CO₂
Displacement reaction	One element takes place with another element in the compound.	A + BC → AC + B

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A A 5 years, 7 months ago

Process in which new compounds with new properties are formed

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CBSE > Class 10 > Science