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# NCERT Exemplar Class 9 Science Chapter 2 Solutions: Is Matter Around Us Pure

NCERT Exemplar Class 9 Science Solutions for Chapter 2 ‘Is Matter Around Us Pure?’ will help you in understanding topics such as pure substances, impure substances, solutions, chemical and physical changes. This chapter of NCERT Class 9 Science Exemplar has 3 exercises with multiple-choice questions to long answer questions in which you will have to answer from different topics of the chapter. The chapter contains around 42 questions that are designed according to the latest exam pattern of CBSE.

It is crucial for you to understand the chapter properly so that you can easily solve each NCERT Exemplar problem in a detailed manner and can easily score good marks in your CBSE exam. Now, you can easily prepare the chapter by referring to our NCERT Exemplar Class 9 Science Solutions for Chapter 2: Is Matter Around Us Pure? Our subject matter experts have solved all the NCERT Exemplar problems of this chapter so that you can solve all your doubts.

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## Important Topics for NCERT Exemplar Class 9 Science Solutions Chapter 2: Is Matter Around Us Pure?

Mixture

The chapter is going to teach you everything about the mixtures. Mixtures are something made of a pure form of matter. Also, you will know about the types of mixtures.

Solution

Solution refers to the homogeneous mixture of 2 or more substances. Solutions like lemonade, soda water, ETC are its examples. Under solutions topic, you will know that if alloys are also solutions. You will already know that every substance contains some properties or some features and similarly a solution or a mixture consist of some properties that you will study about in the chapter. You will know about:-

• Suspension
• The concentration of a solution
• Colloidal solution

Separating the Components of Mixtures

This topic is going to give you detailed information about how the different components of mixtures can be separated. There are several separation methods that you can carry to take out a pure substance and in the topic, you will learn about:

• How can you separate cream from milk?
• How can you separate a mixture of 2 immiscible liquids
• Is the dye that is present in black ink a single colour?
• How can you obtain coloured dye from that of a blue or a black ink
• How can you separate the mixture of 2 miscible liquids?
• How to obtain different types of gases from the air?
• How can you obtain pure copper sulfate from any sort of impure sample?

Physical and Chemical changes

In this chapter, you will about the difference between the pure substances and a mixture and also it is essential for you to understand the concept of chemical as well as physical changes.

Types of Pure Substances

This topic gives you detailed information on how pure substances are classified. Pure substances are classified into elements as well as compounds, other information is going to be discussed in the chapter.

### Exercise Discussions of NCERT Exemplar Class 9 Science Solutions Chapter 2: Is Matter Around Us Pure?

• The first set of exercises is multiple choice questions in which there are around 9 questions. These questions are based on different topics like finding the right process name, identifying the solution type, naming the compound names, etc.
• The next set of exercises is the short answer question in which you have around 20questions. The different topics are covered in this section as you will even have to identify the types of mixtures or the elements or compounds, suggesting the separation techniques, the classification of alloys or identifying if the solution is heterogeneous or homogeneous, etc.
• The third section is the long answer questions, in which there are around 11 questions.cthese questions are a combination of justification as well as diagram questions. These questions are based on topics like fractional distillation, why the shirt dries in the sun, or what has the right composition of a solution, etc.

### Benefits of NCERT Class 9 Science Exemplar Solutions Chapter 2: Is Matter Around Us Pure? by Instasolv

• NCERT Exemplar Class 9 Science Chapter 2 are prepared by the best Science teachers who have years of experience. Each and every solution provided to you is easy to understand so that you easily prepare for your upcoming exams.
• We provide you with the top-notch study material along with the best solutions of NCERT Exemplar when you are staying in your own comfort zone.
• Our team is making dedicated efforts so the study process can become easy for you. If you have any further doubts, you can contact us anytime 24×7.
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