CBSE Class 9 Science Lab Worksheet Preparation of Mixture and Compound

Read and download free pdf of CBSE Class 9 Science Lab Worksheet Preparation of Mixture and Compound. Download printable Science Class 9 Worksheets in pdf format, CBSE Class 9 Science Preparation of Mixture and Compound 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

Preparation of Mixture and Compound 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 Preparation of Mixture and Compound Worksheet Pdf

PREPARATION OF MIXTURE & COMPOUND
 
Objective: To prepare (a) mixture and (b) a compound using iron filings and sulphur powder and distinguish between these on the basis of:
 
(a) Appearance (homogeneity and heterogeneity); (b) Behavior towards magnet
 
(c) Behavior towards Carbon disulphide (CS2); (d) Effect of heat.
 
Requirements: China dish, test tubes, test tube holder, mortar and pestle, watch glasses, magnet, Bunsen burner, iron filings, tripod stand, wire gauze, sulphur powder, CS2 etc.
 
Procedure:
 
1. Take 7 g of Iron filings and 4 g of sulphur powder and mix them well using mortar and pestle. Transfer half of this into watch glass no-1
 
2. Take half of this mixture in a china dish heat strongly on a Bunsen burner (Use tripod stand and wire gauze) till the mixture starts to show a red glow.
 
3. Cool the mixture, and grind into fine powder using a mortar and pestle.
 
4. Transfer the powder to watch glass no-2.
 
5. Perform the following experiments with the samples you have in both the watch glasses.
 
Properties of mixture of iron &sulphur

CBSE Class 9 Science Lab Worksheet Preparation of Mixture and Compound 1

Properties of compound of iron &sulphur

CBSE Class 9 Science Lab Worksheet Preparation of Mixture and Compound 2

Precautions:
 
1. Heating of the Fe & S mixture should be done with extreme care.
 
2. While performing the experiments, use only very little quantity of the samples.
 
3. Use china dish for heating the mixture.

Questions:
 
1. Name the compounds formed when the following chemicals react:
 
a) Hydrogen and Oxygen b.)Mg and S
 
b) S and Fe d)Fe and Cl2.
 
2 Classify the following into homogeneous and heterogeneous mixtures.
 
a) Sand and saw dust b) Sugar dissolved in water.
 
c) Milk d) Powders of Fe and S
 
3 Suggest suitable physical methods to separate the following mixtures:
 
a. Fe and S Magnet
 
b. NaCl and water Evaporation/Boiling
 
c. Sand and water Filtration
 
4 Classify the following into compounds, elements and mixture:
 
a. Air b. CO2 gas, c. Fe metal d. S powder f. Sugar solution e. Ethane
 
f. Fe + S g. NaCl h. SO2 gas. i. H2S gas j. Ammonia gas k. Milk
 
Multiple choice type questions

CBSE Class 9 Science Lab Worksheet Preparation of Mixture and Compound 3


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Preparation of Mixture and Compound CBSE Class 9 Science Worksheet

The above practice worksheet for Preparation of Mixture and Compound 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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