CBSE Class 10 Science Sample Paper 2013 (6)

CBSE Class 10 Science Sample Paper 2013 (6). Based on CBSE and NCERT guidelines. The students should practice these Question Papers to gain perfection which will help him to get more marks in CBSE examination. Please refer to more CBSE Class 10 question papers in other links. The CBSE Question papers are prepared based on trend in past examinations and expected questions in CBSE exams. Its always recommended by CBSE to practice the papers released by CBSE to get better exams in CBSE exams. CBSE Last Year Question Papers for class 10 for final/ term/ SA1/ SA2 Examinations conducted by Central Board of Secondary Education for all CBSE affiliated schools in India and abroad. Please refer to more CBSE Class X sample papers, question papers, HOTs etc in other links.


1) Among the following which one have aa triple covalent bond ?

      C2H6 , C3H4 , C4H10 

2) Mention the most easy method to detect water pollution ? 

3) Name any two oxidizing agents for alcohols? 

4) An object 2cm in size is placed 30cm in front of a concave mirror of focal length 15cm. At what distance from the mirror should a screen be placed in order to obtain a sharp image? 

5) (a) What is meant by power of accommodation of eye?

    (b) How does focal length of the eye lens change when we shift looking from distant object to nearby object? 

6) Distinguish between food chain and food web? 

7) Why do we seek construction of dams? Mention any two problems faced with the construction of large dams? 

8) Write the structural formula of the following and state whether these are isomers with reason?

    (a) 1 – butyne (b) 2 – butyne 

9) (a) Why ethene decolourises bromine water, but ethane not.

    (b) Write down the relevant chemical equation involved in decolourisation? 

10) Based on the behaviour towards light how substances can be classified? Give one example of each? 

11) Describe three methods of plant propagation which are commonly used for growing garden plants? 

12) Draw a heat labeled diagram of longitudinal section of a typical flower? 

13) (a) Write the electronic configurations of the following elements? Oxygen, Magnesium

      (b) Among O2- ion and Mg2+ ion, which one have larger size and why?

14) Mention any three purposes of using lens combinations in optical instruments?

15) What are the consequences of ozone layer depletion? (Any three) 

16) What is meant by dispersion of white light? Draw a ray diagram to show dispersion of white light by a glass prism? Why do we get different colours? 

17) Energy flow in the biosphere is unidirectional. Comment on the statement

Please refer to attached file for CBSE Class 10 Science Sample Paper 2013 (6)



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