CBSE Class 9 Science Is Matter Around Us Pure Worksheet Set F

Read and download free pdf of CBSE Class 9 Science Is Matter Around Us Pure Worksheet Set F. Download printable Science Class 9 Worksheets in pdf format, CBSE Class 9 Science Chapter 2 Is Matter Around Us Pure Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Science Class 9 Assignments and practice them daily to get better marks in tests and exams for Class 9. Free chapter wise worksheets with answers have been designed by Class 9 teachers as per latest examination pattern

Chapter 2 Is Matter Around Us Pure Science Worksheet for Class 9

Class 9 Science students should refer to the following printable worksheet in Pdf in Class 9. This test paper with questions and solutions for Class 9 Science will be very useful for tests and exams and help you to score better marks

Class 9 Science Chapter 2 Is Matter Around Us Pure Worksheet Pdf

 

Very Short Answer
 
Question : What are the two components of a colloidal solution? 
Answer : Dispersed phase and dispersing medium.
 
Question : Name the technique to separate
a. Camphor from salt
b. Salt from sea-water
Answer : a. Sublimation
        b. Evaporation.
 
Question : Define distillation. 
Answer : The process of separating the volatile component (solvent) from its non-volatile solute.
 
Question : Give two examples each for
(i) aerosols
(ii) emulsion 
Answer : Aerosol- clouds, smoke
Emulsion- milk, face cream
 
Question : Which of the following will show ‘Tyndall effect’?
i. Milk
ii. Salt solution
Ans: Milk- yes
Salt solution -no
 
 
Short Answer
 
 

Question : What is meant by a pure substance?
Answer : 
Substance having single type of particles is known as pure substance.
For example:Hydrogen, Water etc., are pure.
Note:All elements and compounds are considered to be pure.

Question : Differentiate between homogeneous and heterogeneous mixture with example.
Answer :
 Same as above answer.

Question : To make a saturated solution, 36 g of sodium chloride is dissolved in 100 g of water at 293 K. Find its concentration at this temperature.
Answer :

Mass of sodium chloride (solute) = 36 g
Mass of water (solvent) = 100 g
We know that, mass of solution = mass of solute + mass of solvent
= 36 g+ 100 g= 136 g
Concentration (mass percentage) of the solution
 

Mass of Solute/Mass of Solutionx 100

= 36g/136 g x 100 = 26.47%

 

 

 

 

Click below to download practice worksheet for CBSE Class 9 Science Is Matter Arond Us Pure Worksheet Set F

 

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

The above practice worksheet for Chapter 2 Is Matter Around Us Pure has been designed as per the current syllabus for Class 9 Science released by CBSE. Students studying in Class 9 can easily download in Pdf format and practice the questions and answers given in the above practice worksheet for Class 9 Science on a daily basis. All the latest practice worksheets with solutions have been developed for Science by referring to the most important and regularly asked topics that the students should learn and practice to get better scores in their examinations. Studiestoday is the best portal for Printable Worksheets for Class 9 Science students to get all the latest study material free of cost. Teachers of studiestoday have referred to the NCERT book for Class 9 Science to develop the Science Class 9 worksheet. After solving the questions given in the practice sheet which have been developed as per the latest course books also refer to the NCERT solutions for Class 9 Science designed by our teachers. After solving these you should also refer to Class 9 Science MCQ Test for the same chapter. We have also provided a lot of other Worksheets for Class 9 Science which you can use to further make yourself better in Science.

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