CBSE Class 9 Science Worksheet Set 12

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Review targeted practice sets for Class 9 Science All Chapters. Built according to official educational guidelines for the 2026-27 academic year, these downloadable worksheets support daily revision and core concept reinforcement.

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Subject: Chemistry
 
1. The boiling point of water on Celsius and Kelvin scale respectively is: 
 
a)373, 273 c)0, 273
 
b)273, 373 d)100, 373
 
2. Zig-zag movement of the solute particle in a solution is known as 
 
a) Linear motion            c) Circular motion
 
b) Brownian motion        d) Curved motion.
 
3. Name the technique to separate- 
 
a)Iron filings from a mixture of iron filings and sulphur
 
b) tea leaves from tea
 
4. A solution contains 50 g of common salt in 300 g of water. Calculate the concentration in terms of mass by mass percentage of the solution. 
 
5. A child wanted to separate the mixture of dyes constituting a sample of ink. He marked a line by the ink on the filter paper and placed the filter paper in a glass containing water as shown in the figure. The filter paper was removed when the water moved near
the top of the filter paper. 
CBSE Class 9 Science Worksheet Set L
 
(i) What would you expect to see, if the ink contains three different colored components?
 
(ii) Define the technique used by the child.
 
(iii) Suggest two more applications of this technique.
 
ii-Rigidity
 
b) With reference to the metals and non-metals answer the following
 
i-Name a lustrous non-metal.
 
ii-Name a metal which exists as a liquid at room temperature.
 
7. a) Give reasons for the following observations- 
 
(i) Naphthalene balls disappear with time without leaving any solid.
 
(ii) We can get the smell of perfume sitting several meters away.
 
(iii) Ice at 273 K more effective in cooling than water at the same temperature
 
b) Draw a well labeled diagram depicting the process of separation of oil and water using separating funnel. 
 
8. a) Now-a-days, we get full-cream, toned and double-toned varieties of milk packed in polybags or tetra packs in the market. These varieties of milk contain different amounts of fat. Answer the following on the basis of this information. 
 
(i) How can we separate cream from milk?
 
(ii) What principle is involved in this process?
 
(iii) Write two applications of this method.
 
b) Draw a well labeled diagram to show separation of a mixture of salt and camphor. 
 
6 a) Compare a solid object with a liquid on the basis of following- 
 
i-Intermolecular force of attraction



Please click on below link to download CBSE Class 9 Science Worksheet Set L

Free study material for Science

All Chapters Practice Sheet and Solutions for Class 9 Science

All Chapters Printable Worksheet for Class 9 Science

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FAQs

Where can I download the latest PDF for CBSE Class 9 Science Worksheet Set 12?

You can download the teacher-verified PDF for CBSE Class 9 Science Worksheet Set 12 from StudiesToday.com. These practice sheets for Class 9 Science are designed as per the latest CBSE academic session.

Are these Science Class 9 worksheets based on the 2026-27 competency-based pattern?

Yes, our CBSE Class 9 Science Worksheet Set 12 includes a variety of questions like Case-based studies, Assertion-Reasoning, and MCQs as per the 50% competency-based weightage in the latest curriculum for Class 9.

Do you provide solved answers for CBSE Class 9 Science Worksheet Set 12?

Yes, we have provided detailed solutions for CBSE Class 9 Science Worksheet Set 12 to help Class 9 and follow the official CBSE marking scheme.

How does solving CBSE Class 9 Science Worksheet Set 12 help in exam preparation?

Daily practice with these Science worksheets helps in identifying understanding gaps. It also improves question solving speed and ensures that Class 9 students get more marks in CBSE exams.

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All our Class 9 Science practice test papers and worksheets are available for free download in mobile-friendly PDF format. You can access CBSE Class 9 Science Worksheet Set 12 without any registration.