Is Matter Around Us Pure Class 9 Notes Science Chapter 2

Is Matter Around Us Pure Class 9 Notes – Here We have provided summary and revision notes for Class 9 Science Chapter 2. This CBSE notes contains CBSE Key Notes, CBSE Revision Notes, Short Key Notes, images, diagrams of the complete Chapter 2 titled Is Matter Around Us Pure of Science taught in class 9. If you are a student of class 9 who is using NCERT Textbook to study Science, then you must come across Chapter 2 Is Matter Around Us Pure. After you have studied lesson, you must be looking for notes to memorize. Here you can get complete Chapter 2 Is Matter Around Us Pure class 9 notes in one place. For a better understanding of this chapter, you should also see NCERT Solutions for Class 9 Science Chapter 2 Is Matter Around Us Pure.

CBSE Class 9 Science Notes Chapter 2 Is Matter Around Us Pure Pdf free download is part of Class 9 Science Notes for Quick Revision. Here we have given NCERT Class 9 Science Notes Chapter 2 Is Matter Around Us Pure.

CBSE Class 9 Science Notes Chapter 2 Is Matter Around Us Pure

Facts that Matter

Compounds
The 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 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.
• Elements can be separated by simple physical processes.
• It does not have a fixed melting and boiling point.

Separation of Mixtures:

Physical and Chemical Change

Solution
It is a homogeneous mixture of two or more substances.

Different Types of Colloids

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