CBSE Class 10 Science Question Paper Solved 2021 Set C

Access and download CBSE Class 10 Science Question Paper Solved 2021 Set C, carefully designed as per the latest 2025-26 examination guidelines issued by CBSE, NCERT, and KVS. These Class 10 Science previous year question papers include detailed solutions, helping students to assess their performance and identify and improve key areas before the final exams.

Solved Science Question Papers for Class 10

Practicing these Class 10 Science question papers is the best way to understand the actual exam pattern and marking scheme. By solving these papers under timed conditions, Class 10 students can improve their speed and accuracy. Download the full CBSE Class 10 Science Question Paper Solved 2021 Set C to begin your self-assessment today.

Science Class 10 Question Paper PDF with Solutions

SECTION A
 
1. What is the nature and size of the image formed by a concave mirror if the magnification produced by the mirror is +3?
 
2. Which gas is evolved when sodium hydrogen carbonate is treated with dil.hydrochloric acid? 
 
3. What change in colour is observed when white silver chloride is left exposed to sun light? State the type of chemical reaction in this change.
 
4. 1. What is life processes?
 
2. Name the type of nutrition
 
a) Fungi like bread mould, yeast, mushroom breakdown the food materials outside the bod y and absorb it.
 
b) Cuscuta, lices and ticks derive nutrition from plants or animals without killing them.
 
5. 1.Write the aim of the experiment when potted plants kept with potassium hydroxide and without potassium hydroxide under a bell jar to assess the rate of photosynthesis.
 
2. What is the role of potassium hydroxide?
 
6. Name the type of mirror preferred as (i) rear view mirror in vehicles (ii) solar furnaces. Justify your answer in each case.
                                          OR
A spherical mirror produces an image of magnification -1 on a screen placed at a distance of 50 cm from the mirror.
 
(i) Write the type of mirror .Give reason.
 
(ii) Find the distance of the image from the object.
 
(iii) What is the focal length of the mirror?
 
7. An object 2 cm in size is placed 25 cm in front of a concave mirror of focal length 15 cm. At what distance from the mirror should a screen be placed in order to obtain a sharp image? What will be the nature and size of the image formed?
 
8. (i) Can absolute refractive index of a medium be less than one? Give reason.
 
(ii) The refractive index of water is 1.33. What is the meaning of this statement.
 
(iii) The refractive index of two transparent media A and B are 1.33 and 1.5 respectively. In which of the two medium light travels faster and why?
 
9. (i) State the laws of refraction of light.
 
(ii) Write the S.I .unit of refractive index.
 
10. You could have noted that when copper powder is heated in a china dish, the surface of copper powder gets coated with black coloured substance.
 
(a) What is this black substance?
 
(b) Why is this black coloured substance formed?
 
(c) Write the balanced chemical equation of the reaction taking place.
                                     OR
Identify the substance oxidized and substance reduced in the following reactions:
 
(a) ZnO + C→ Zn) + CO
 
(b)CuO+ H2 → Cu + H2O
 
(c) Fe2O3 + 2 Al→ 2 Fe + Al2O3
 
11. What are Olfactory indicators? What happens when a base reacts with a non-metallic oxide? What would you infer about the nature of non-metallic oxide?
 
12. (a) What will you observe when a drop of phenolphthalein is added to the solution of lime water?
 
(b) Name the products formed when granulated zinc reacts with sodium hydroxide.
 
(c) What do all acids and bases have in common?
 

Please click on below link to download CBSE Class 10 Science Question Paper Solved 2021 Set C

2012
CBSE Class 10 Science Question Paper 2012 (1)
CBSE Class 10 Science Question Paper 2012 (10)
CBSE Class 10 Science Question Paper 2012 (11)
CBSE Class 10 Science Question Paper 2012 (12)
CBSE Class 10 Science Question Paper 2012 (13)
CBSE Class 10 Science Question Paper 2012 (14)
CBSE Class 10 Science Question Paper 2012 (15)
CBSE Class 10 Science Question Paper 2012 (16)
CBSE Class 10 Science Question Paper 2012 (2)
CBSE Class 10 Science Question Paper 2012 (3)
CBSE Class 10 Science Question Paper 2012 (4)
CBSE Class 10 Science Question Paper 2012 (5)
CBSE Class 10 Science Question Paper 2012 (6)
CBSE Class 10 Science Question Paper 2012 (7)
CBSE Class 10 Science Question Paper 2012 (8)
CBSE Class 10 Science Question Paper 2012 (9)
CBSE Class 10 Science Question Paper SA 2 2012 (1)
CBSE Class 10 Science Question Paper SA 2 2012 (10)
CBSE Class 10 Science Question Paper SA 2 2012 (11)
CBSE Class 10 Science Question Paper SA 2 2012 (12)
CBSE Class 10 Science Question Paper SA 2 2012 (13)
CBSE Class 10 Science Question Paper SA 2 2012 (14)
CBSE Class 10 Science Question Paper SA 2 2012 (15)
CBSE Class 10 Science Question Paper SA 2 2012 (16)
CBSE Class 10 Science Question Paper SA 2 2012 (17)
CBSE Class 10 Science Question Paper SA 2 2012 (2)
CBSE Class 10 Science Question Paper SA 2 2012 (3)
CBSE Class 10 Science Question Paper SA 2 2012 (4)
CBSE Class 10 Science Question Paper SA 2 2012 (5)
CBSE Class 10 Science Question Paper SA 2 2012 (6)
CBSE Class 10 Science Question Paper SA 2 2012 (7)
CBSE Class 10 Science Question Paper SA 2 2012 (8)
CBSE Class 10 Science Question Paper SA 2 2012 (9)
CBSE Class 10 Science Question Paper SA1 2012
CBSE Class 10 Science Question Paper SA2 2012 (1)

CBSE Class 10 Science Question Paper Solved 2021 Set C

To understand the types of questions asked in past examinations, it is very important for Class 10 students to solve the CBSE Class 10 Science Question Paper Solved 2021 Set C provided above. You can easily download these past papers for Class 10 Science in PDF format for the last 10 years. By practicing these actual exam questions you will gain an understanding of the difficulty level and the variety of topics covered over the years. By solving these Previous Year Papers (PYPs) you will understand both descriptive and MCQ questions in your final tests.

Importance of solving CBSE Class 10 Science Question Paper Solved 2021 Set C

Regularly practicing CBSE Class 10 Science Question Paper Solved 2021 Set C is the best way to improve your score in Class 10 Science. These papers will give you details of the marking scheme and the paper structure used by the CBSE. By regularly attempting these under actual exam conditions at home, you can slowly improve your time management skills, which will help you to complete your Science paper within the allowed duration.

Benefits of downloading CBSE Class 10 Question Papers

Having the CBSE Class 10 Science Question Paper Solved 2021 Set C in PDF format allows you to revise key concepts anywhere, even without an internet connection. These sets are a reliable tool to practice numerical problems and understand the correct approach to all types of answers. After solving the questions, you should compare your work with the solutions provided by our teachers. Along with these papers, students should always solve the Class 10 Science Sample Papers and MCQ tests on studiestoday.com for a complete revision.

Where can I download the official PDF for CBSE Class 10 Science Question Paper Solved 2021 Set C?

The CBSE Class 10 Science Question Paper Solved 2021 Set C is available for download on StudiesToday.com. It includes complete set with all sections so that Class 10 students can practice with the exact same paper that came in the CBSE exams.

Are the solutions for CBSE Class 10 Science Question Paper Solved 2021 Set C based on the official CBSE marking scheme?

Yes, the solutions for CBSE Class 10 Science Question Paper Solved 2021 Set C are prepared by subject matter experts as per official marking scheme. Class 10 students will understand the structure of answers and 'step-marks' methodology Science.

How does solving CBSE Class 10 Science Question Paper Solved 2021 Set C help in preparing for the 2026 exams?

Solving previous year papers like CBSE Class 10 Science Question Paper Solved 2021 Set C is important to understand repeat themes and question difficulty levels of Science. It helps Class 10 students to test their time management skills too.

Can I access CBSE Class 10 Science Question Paper Solved 2021 Set C in different languages?

Yes, where applicable, CBSE Class 10 Science Question Paper Solved 2021 Set C is available in both English and Hindi mediums. All students from Class 10 can access Science study material in their preferred language.

Is there a charge to download the CBSE Class 10 Science solved papers?

No, all previous year question papers on StudiesToday, including CBSE Class 10 Science Question Paper Solved 2021 Set C, are provided free of charge in mobile-friendly PDF.