CBSE Class 10 Science Sample Paper 2018 Set L

Read and download PDF of CBSE Class 10 Science Sample Paper 2018 Set L designed as per the latest curriculum and examination pattern for Class 10 issued by CBSE, NCERT and KVS. The latest Class 10 Science Sample Papers have been provided with solutions so that the students can solve these practice papers and then compare their answers. This will help them to identify mistakes and improvement areas in Science Standard 10 which they need to study more to get better marks in Grade 10 exams. After solving these guess papers also refer to solved Class 10 Science Question Papers available on our website to build strong understanding of the subject

Science Sample Paper Class 10 2018

Students can refer to the below Class 10 Science Sample Paper designed to help students understand the pattern of questions that will be asked in Grade 10 exams. Please download CBSE Class 10 Science Sample Paper 2018 Set L

Science Class 10 Sample Paper 2018

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 and radius r, wire B has a length 2and 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.

 

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2021
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2020
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2019
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2018
CBSE Class 10 Science Sample Paper 2018 Set A
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CBSE Class 10 Science Sample Paper 2018 Set F
CBSE Class 10 Science Sample Paper 2018 Set G
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CBSE Class 10 Science Sample Paper 2018 Set L
CBSE Class 10 Science Sample Paper 2018 Solved Set B
2017
CBSE Class 10 Science Sample Paper 2017 Set A
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CBSE Class 10 Science Sample Paper 2017 Set C
CBSE Class 10 Science Sample Paper 2017 Set D
CBSE Class 10 Science Sample Paper 2017 Set E
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CBSE Class 10 Science Sample Paper 2017 Set L
2015
CBSE Class 10 Science Sample Paper 2015 Set A
CBSE Class 10 Science Sample Paper 2015 Set B
CBSE Class 10 Science Sample Paper 2015 Set C
CBSE Class 10 Science Sample Paper 2015 Set D
CBSE Class 10 Science Sample Paper 2015 Set E
CBSE Class 10 Science Sample Paper 2015 Set F
CBSE Class 10 Science Sample Paper 2015 Set G
CBSE Class 10 Science Sample Paper 2015 Set H
CBSE Class 10 Science Sample Paper 2015 Set I
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CBSE Class 10 Science Sample Paper 2015 Set K
CBSE Class 10 Science Sample Paper 2015 Set L
2014
CBSE Class 10 Science Sample Paper 2014 Set A
CBSE Class 10 Science Sample Paper 2014 Set B
CBSE Class 10 Science Sample Paper 2014 Set C
CBSE Class 10 Science Sample Paper 2014 Set D
CBSE Class 10 Science Sample Paper 2014 Set E
CBSE Class 10 Science Sample Paper 2014 Set F
CBSE Class 10 Science Sample Paper 2014 Set G
CBSE Class 10 Science Sample Paper 2014 Set H
CBSE Class 10 Science Sample Paper 2014 Set I
CBSE Class 10 Science Sample Paper 2014 Set J
CBSE Class 10 Science Sample Paper 2014 Set K
CBSE Class 10 Science Sample Paper 2014 Set L
CBSE Class 10 Science Sample Paper 2014 Set M
CBSE Class 10 Science Sample Paper 2014 Set N
2013
CBSE Class 10 Science Sample Paper 2013 Set A
CBSE Class 10 Science Sample Paper 2013 Set B
CBSE Class 10 Science Sample Paper 2013 Set C
CBSE Class 10 Science Sample Paper 2013 Set D
CBSE Class 10 Science Sample Paper 2013 Set E
CBSE Class 10 Science Sample Paper 2013 Set F
CBSE Class 10 Science Sample Paper 2013 Set G
CBSE Class 10 Science Sample Paper 2013 Set H
CBSE Class 10 Science Sample Paper 2013 Set I
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CBSE Class 10 Science Sample Paper 2013 Set K
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2012
CBSE Class 10 Science Sample Paper 2012 Set A
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CBSE Class 10 Science Sample Paper 2012 Set D
CBSE Class 10 Science Sample Paper 2012 Set E
CBSE Class 10 Science Sample Paper 2012 Set F
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CBSE Class 10 Science Sample Paper Set E
CBSE Class 10 Science Sample Paper Set F
CBSE Class 10 Science Sample Paper Set G
CBSE Class 10 Science Sample Paper Set H
CBSE Class 10 Science Sample Paper Set I
CBSE Class 10 Science Sample Paper Set J
CBSE Class 10 Science Sample Paper Set K
CBSE Class 10 Science Sample Paper Set L
CBSE Class 10 Science Sample Paper Set M
CBSE Class 10 Science Sample Paper Set N
CBSE Class 10 Science Sample Paper Set N Solved
CBSE Class 10 Science Sample Paper Set O

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