CBSE Class 10 Science Sample Paper 2018 Set K

Read and download the CBSE Class 10 Science Sample Paper 2018 Set K, designed by expert teachers according to the latest 2025-26 curriculum and examination pattern issued by CBSE, NCERT, and KVS. These Class 10 Science sample papers include detailed step-by-step solutions, helping students to practice and evaluate their performance against the most recent marking schemes.

Solved Sample Paper for Class 10 Science PDF

Our Class 10 Science model papers are important for understanding the weightage of different chapters and the difficulty level of expected questions. By solving these guess papers Class 10 students can identify weak areas and improve time management. We also suggest referring to our Class 10 Science Question Papers of previous years to further strengthen your exam preparation.

Class 10 Science Sample Paper with Solutions

Section A

1. In what way is the word AMBULANCE printed in front of the hospital vans?

2. At what pH in the mouth is tooth decay faster and why?

3. A white powdery substance having strong smell of chlorine is used for disinfecting

drinking water supply of water works. Identify the substance and give its chemical name.

4. Name any two safety measures commonly used in electric circuits and appliances.

5. Why does the sky appears dark instead of blue to an astronaut?

6. Why is photosynthesis considered an endothermic reaction?

7. A copper coin was kept dipped in silver nitrate solution for a few hours/ days.

(a) What will happen to the copper coin?

(b) What will happen to the colour of the solutions?

8. (a) Which gas is produced when dilute hydrochloric acid is added to a reactive metal?

(b) Write the chemical reaction when iron reacts with dilute H2So4.

9. Why a salt which does not conduct electricity in the solid state becomes a good conductor in molten state? Explain.

10. On what factors does the resistance of a conductor depend.

11. (i) What is myopia? 
(ii) Make a ray diagram to show how the eye defect myopia is corrected by using a suitable lens.
 
12. Why do HCl, HNO3 etc show acidic character in aqueous solutions while solutions of compound like C2H5OH and gulucose don’t show acidic character? 
 
13. (a) How do you calculate the valency of an element from its electronic configuration?
(b) What is the valency of magnesium with atomic number 12 and sulphur with atomic number 12 and sulphur with atomic number 16?
(c)How does the valency vary in a period on going from left to right? 
 
14. (a) With the help of ray diagram show that where light falls obliquely on a side of a rectangular glass slab, the emergent ray is parallel to the incident ray.
(b) Show the lateral displacement of the ray on the diagram. 
 
15. (a) Name the functional group present in the following compounds: 
(i) cH3cH2cH2 – OH
(ii) cH3COCH2CH2CH3
(b) Write the common names of Isomers of butane.
(c)What is meant by denatured alcohol? What is the need to denature alcohol? 
Or
(a) Why does carbon form compounds mainly by covalent bonding?
(b) What happens when ethanol is heated with ethanoic acid in the presence of few drops of concentrated sulphuric acid. Write the chemical equation also.
(c) What is a covalent bond? What type of bond exists in (i) ccl4 (ii) cacl2 



Please click the link below to download full pdf file for CBSE Class 10 Science Sample Paper 2018 Set K

How to download CBSE Class 10 Science Sample Paper 2018 Set K in PDF?

Students can easily download the CBSE Class 10 Science Sample Paper 2018 Set K from our website to prepare for their upcoming examinations. To score high marks, it is important for Class 10 students to understand the exaact pattern as per which teachers design the question papers. We strongly suggest that you practice these latest sample papers for Science and solve different types of questions that are expected to come this year. You can downloadin PDF format so that you can practice offline. We also recommend that Class 10 students solve these papers actual exam conditions at home.

Why should you solve CBSE Class 10 Science Sample Paper 2018 Set K?

Practicing these model papers has several benefits for Class 10 students:

  • New Question Bank: This set has fresh questions for Science which are different from previous years.
  • Exam Pattern Knowledge: Solving more sets will help you to understand the weightage of each chapter in Class 10 and also the type of questions asked.
  • Identify Weak Areas: Comparing your score in each set to find out topics in Class 10 Science for which you need hard work.
  • Speed and Accuracy: Attempting MCQ questions and long-form problems for Class 10 Science makes you faster and better and you will be able to finish your exam on time.

What should you do after solving CBSE Class 10 Science Sample Paper 2018 Set K?

  1. Check Your Work: Match your answers with the solutions given by our teachers in the Science Sample Paper PDF.
  2. Learn from Mistakes: Class 10 students should focus on the questions which you solved incorrectly and understand the error.
  3. Revision: If you find a question difficult you shoul refer to NCERT book for Class 10 Science to understand concepts and then try the question again.
  4. Continuous Practice: Solve multiple sets of Science sample papers from studiestoday.com to build confidence before the CBSE exams.
Where can I download the PDF for CBSE Class 10 Science Sample Paper 2018 Set K?

You can download the complete PDF for CBSE Class 10 Science Sample Paper 2018 Set K for free from StudiesToday.com. Our resources for Class 10 Science are updated for the latest academic session and follow the official exam pattern.

Are solutions provided for CBSE Class 10 Science Sample Paper 2018 Set K?

Yes, CBSE Class 10 Science Sample Paper 2018 Set K comes with detailed, teacher-verified solutions. We have provided step-by-step answers for Science to help students of Class 10 understand correct methodology and marking scheme.

How can practicing CBSE Class 10 Science Sample Paper 2018 Set K help in exam preparation?

Practicing this Science paper helps in time management and identifying important topics. For Class 10, solving mock papers is the best way to gain confidence and reduce exam-day anxiety.

Is the CBSE Class 10 Science Sample Paper 2018 Set K accessible on mobile and tablets?

Yes, all our study materials for Class 10 Science are provided in a mobile-friendly PDF format. You can easily download CBSE Class 10 Science Sample Paper 2018 Set K on your mobile device.