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Short Notes: Is Matter Around Us Pure Notes | Study Science Class 9 - Class 9

Document Description: Short Notes: Is Matter Around Us Pure for Class 9 2022 is part of Science Class 9 preparation. The notes and questions for Short Notes: Is Matter Around Us Pure have been prepared according to the Class 9 exam syllabus. Information about Short Notes: Is Matter Around Us Pure covers topics like Compounds, Mixtures, Solution and Short Notes: Is Matter Around Us Pure Example, for Class 9 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Short Notes: Is Matter Around Us Pure.

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Table of contents
Compounds
Mixtures
Solution
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Short Notes: Is Matter Around Us Pure Notes | Study Science Class 9 - Class 9

Compounds
A compound is a pure substance made up of two or more elements combined chemically in a definite ratio. 

Characteristics

  • The properties of compound differ from those of its constituents.
  • Compound has a fixed melting point and boiling point.
  • Compound is a homogeneous substance.
  • Constituent elements can be separated by chemical process.

Mixtures
It is made up of two or more elements or compounds mixed in any ratio/proportion.

Properties

  • It may be homogeneous or heterogeneous.
  • The properties of constituent substances are retained.
  • No new compound is formed after mixing.
  • Constituents of a mixture can be separated by simple physical processes.
  • It does not have a fixed melting and boiling point.

Question for Short Notes: Is Matter Around Us Pure
Try yourself:Mixture can be       
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Separation of Mixtures
Short Notes: Is Matter Around Us Pure Notes | Study Science Class 9 - Class 9

Physical and Chemical Change
Short Notes: Is Matter Around Us Pure Notes | Study Science Class 9 - Class 9

Solution
It is a homogeneous mixture of two or more substances.
Table: Difference between Solute and Solvent.
Short Notes: Is Matter Around Us Pure Notes | Study Science Class 9 - Class 9

Short Notes: Is Matter Around Us Pure Notes | Study Science Class 9 - Class 9

Short Notes: Is Matter Around Us Pure Notes | Study Science Class 9 - Class 9

Question for Short Notes: Is Matter Around Us Pure
Try yourself:In sugar solution,       
View Solution


Table: Difference between Suspension and Colloidal Solution

Short Notes: Is Matter Around Us Pure Notes | Study Science Class 9 - Class 9

Short Notes: Is Matter Around Us Pure Notes | Study Science Class 9 - Class 9

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