CBSE Class 10 Science Question Paper 2007 (3)

Access and download CBSE Class 10 Science Question Paper 2007 (3), 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 2007 (3) to begin your self-assessment today.

Science Class 10 Question Paper PDF with Solutions

CBSE Class 10 Science Question Paper 2007 (3). Students can download the last year question papers using the link below. Free download of examination question papers with solutions. Last 10 year question papers should be practised to get better marks in examinations.

SCIENCE AND TECHNOLOGY (Theory)

SECTION A

1. What is the role of a catalyst in a chemical reaction ? 

2. Which class of compounds gives a positive Fehling’s test ? 

3. Approximately how many stars are there in the Milky Way ? 

4. What is meant by the statement, “Potential difference between points A and B in an electric field is 1 volt.” ? 

5. State the ‘Law of Chemical Equilibrium’. Write an expression for the equilibrium constant (K) for the reaction, 

N2 (g) + 3H2(g)→ 2 NH3 (g) + 92 kJ

6. Name the organic acid present in vinegar. Write a chemical equation which representsa the commercial method for the preparation of this acid from methanol. 

7. Distinguish between ‘artificial’ and ‘natural’ satellites. Why are artificial satellites called “eyes in the sky” ? 

8. An electric lamp is marked 100 W, 220 V. It is used for 5 hours daily. Calculate

(i) its resistance while glowing.

(ii) energy consumed in kWh per day. 

9. (a) Write the chemical name and formula of bleaching powder.

(b) Why does bleaching powder smell of chlorine when exposed to air ?

(c) Write chemical equation to represent the action of dilute hydrochloric acid on bleaching powder. 

Please click the link below to download pdf file of CBSE Class 10 Science Question Paper 2007 (3)

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 2007 (3)

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 2007 (3) 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 2007 (3)

Regularly practicing CBSE Class 10 Science Question Paper 2007 (3) 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 2007 (3) 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 2007 (3)?

The CBSE Class 10 Science Question Paper 2007 (3) 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 2007 (3) based on the official CBSE marking scheme?

Yes, the solutions for CBSE Class 10 Science Question Paper 2007 (3) 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 2007 (3) help in preparing for the 2026 exams?

Solving previous year papers like CBSE Class 10 Science Question Paper 2007 (3) 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 2007 (3) in different languages?

Yes, where applicable, CBSE Class 10 Science Question Paper 2007 (3) 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 2007 (3), are provided free of charge in mobile-friendly PDF.