CBSE Class 10 Science Sample Paper 2013 Set L

Read and download PDF of CBSE Class 10 Science Sample Paper 2013 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


Q1. What is the effect of an increase in temperature on the rate of a chemical reaction ? 

Q2. Name any two isotopes which readily undergo nuclear fission. 

Q3. Name the functional groups present in : 

(a) CH3 COOH

(b) CH3 CO CH3

Q4. Why does it take longer to burn wet wood ? 

Q5. Why are Zirconium, Titanium and Chromium classified as strategic metals? 

Q6. Define the terms

(a) Astronomical Unit

(b) Light year

Q7. Explain giving reasons :

(i) Tartaric acid is a component of baking powder used in making cakes.

(ii) Gypsum, CaSO4 2H2O is used in the manufacture of cement. 

Q8. Calculate the energy released (in MeV) when1 kg mass is completely converted into energy. (Take 1 MeV = 1.6 x 10-13 J, c = 3.0 x 108ms—1


When Uranium undergoes fission, 0.1% of the total mass is converted into energy.

Calculate the total amount of energy released in joules during an explosion of an atom bomb which contains 5kg of Uranium.

Q9. When a copper wire is left in silver nitrate solution, it is observed that the solution turns bluish green.

(a) Explain this observation.

(b) Write the balanced chemical equation to represent the change taking place. 

Q10. State Right Hand Thumb rule to find the direction of the magnetic field around a current carrying straight conductor. How will this magnetic field be affected on-

(a) increasing the current through the conductor?

(b) changing the direction of flow of current in the conductor? 

Q11. (a) Name the product formed when methanol undergoes controlled oxidation.

(b) Describe with necessary chemical equations the test you would perform to identify the above product.

(c) Name the compound formed when ethanoic acid reacts with ethanol in the presence of concentrated sulphuric acid. 


(a) Propanone can be manufactured from Cumene. Write the corresponding chemical equation.

(b) Name the compound formed when propanone is reduced. Which reducing agent is generally used in the process  ?

(c) How is propanone converted to ethanoic acid?

Q12. Two identical resistors, each of resistance 10 ohms, are connected (i) in series (ii) in parallel, in turn, to a battery of 6 volts. Calculate the ratio of power consumed in the combination of resistors in two cases. 

Q13. An aqueous solution has hydrogen ion concentration,

[H+] = 1.0 x 10-10 mol L-1

(a) Determine the pH of this solution.

(b) Is the solution acidic, basic or neutral?

(c) Will the pH of the above solution increase or decrease on adding a drop of 1M HC1 to it ? Justify your answer.

Please refer to attached file for CBSE Class 10 Science Sample Paper 2013 Set L



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