CBSE Class 10 Science Sample Paper 2018 Set 12

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Class 10 Science Solved Model Papers: CBSE Class 10 Science Sample Paper 2018 Set 12

Review targeted exam resources with the CBSE Class 10 Science Sample Paper 2018 Set 12. Built according to official CBSE standards for the 2026-27 academic year, these downloadable Class 10 Science sample papers support effective revision and performance tracking.

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Access the complete sample paper PDF for Class 10 Science below. Regular practice with these targeted mock exams builds familiarity with expected question patterns and chapter weightage to help secure higher marks.

Section A


1. A ray of light AM is incident on a spherical mirror as shown in the diagram.

CBSE Class 10 Science Sample Paper 2014 (20)

Redraw the diagram on the answer sheet and show the path of reflected ray.

1. A metal M belongs to 13th group in the modern periodic table. Write the valency of the metal.

2. The ciliary muscles of a normal eye are in their (i) most relaxed (ii) most contracted state. In which of the two cases is the focal length of the eye-lens more?

3. Tap water conducts electricity whereas distilled water does not. Why?

4. An electric geyser has the ratings 2000W, 220V marked on it. What should be the minimum rating, in whole number of a fuse wire, that may be required for safe use with this geyser?

5. Kerosene burns with a sooty flame. Is it a saturated or an un saturated compound?

6. Two metallic wires A and B of the same material are connected in parallel. Wire A has length l and radius r, wire B has a length 2l and radius 2r. Calculate the ratio of the equivalent resistance in parallel combination and the resistance of wire A.

7. A student performs an experiment to study the magnetic effect of current around a current carrying straight conductor. He reports that

(i) for a given battery, the degree of deflection of a N – pole decreases when the compass is kept at a point farther away from the conductor.

(ii) the direction of deflection of the north pole of a compass needle kept at a given point near the conductor remains unaffected even when the terminals of the same battery sending current in the wire are inter changed. Which of the above observations of the student appears to be wrong and why?

8. A housewife wanted her house to be whitewashed. She bought 10kg of quick lime from the market and added it to 30 litres of water. On adding lime to water she noticed that the water appeared to be boiling even when it was not being heated. Give reason for her observation. Write the corresponding chemical equation and name the product formed.
 
9. Write the electron- dot structure for sodium and chlorine atoms. How do these form a chemical bond? Name the type of bond so formed. Why does a compound so formed have high melting point?
 
10. Why are many thermal power plants set up near coal or oil fields?
 
11. How is charcoal obtained from wood? Write two advantages of using charcoal as a fuel over wood?
 
12. Two carbon compounds A and B have the molecular formula C3H8 and C3 H6 respectively. Which one of the two is most likely to show addition reaction? Justify your answer. Explain with the help of a chemical equation, how an addition reaction is useful in vegetable ghee industry.
 
13. A beam of white light falling on a glass prism gets split up into seven colours marked 1 to 7 as shown in the diagram
 
14. Baking soda is used in small amount in making bread and cake. It helps to make these soft and spongy. An aqueous solution of baking soda turns red litmus blue. It is also used in soda acid fire extinguisher. Use this information to answer the following questions:-
(i) How does Baking Soda help to make cakes and bread soft and spongy?
(ii) How does it help in extinguishing fire?
(iii) Is the pH value of baking soda solution lower than or higher than 7 ?
 
15. (i) A concave mirror produces three times enlarged image of an object placed at 10 cm in front of it. Calculate the focal length of the mirror.
(ii) Show the formation of the image with the help of a ray diagram when the object is placed 6 cm away from the pole of the mirror.

 

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

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Get Started with CBSE Class 10 Science Sample Paper 2018 Set 12 (CBSE)

Explore downloadable sample sets for Class 10 Science. Utilizing the CBSE Class 10 Science Sample Paper 2018 Set 12 allows learners to gauge exam readiness and master official CBSE assessment structures.

Maximize Your Scores with Model Papers

  • Curriculum Insights: Clarify chapter-wise weightage rules and question trends across Class 10.
  • Gap Analysis: Check performance drops across sets to isolate specific Class 10 Science topics needing extra attention.
  • Time Efficiency: Working through objective and descriptive problems builds critical pacing to finish exams comfortably.

Steps to Follow After Completing CBSE Class 10 Science Sample Paper 2018 Set 12

  1. Self-Evaluation: Score your answers using official guidance to track your academic progress.
  2. Mistake Correction: Class 10 pupils must re-solve questions answered incorrectly to master the correct method.
  3. Continuous Practice: Take additional Science sample modules online to maximize preparedness for CBSE evaluations.

FAQs

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You can download the complete PDF for CBSE Class 10 Science Sample Paper 2018 Set 12 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 12?

Yes, CBSE Class 10 Science Sample Paper 2018 Set 12 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 12 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 12 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 12 on your mobile device.