Chemical Reaction


Physical and Chemical Change II - Concepts
Class - 7th CBSE Subjects
 
 
Concept Explanation
 

Chemical Reaction

Types of Chemical Reactions:

Chemical reactions can be classified into different types depending upon the type of chemical change occurring during the reaction. Let us study different type of reactions one - by –one.

1. Combination Reactions.

2.  Decomposition Reaction.

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Sample Questions
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Question : 1

The processes in which a substance or substances undergo to produce new substances with new properties are known as __________________ .

Right Option : B
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Question : 2

In a chemical reaction _______________ are produced as a result of a chemical change

Right Option : B
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Question : 3

Give the symbol of Lead :

Right Option : C
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