CBSE Class 10 Science Sample Paper 2013 (12)

CBSE Class 10 Science Sample Paper 2013 (12). 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] Name the hormone that controls the rate of respiration. Also name the part of the brain responsible for controlling respiration.

2] Why is it advised not to use copper or brass vessels to store pickles or curd?

3] Which is having more resistance: A 100 W bulb or a 60 W bulb?

4] Write the balance chemical equation for the chemical reaction between Manganese dioxide and Aluminium powder. What happens if Manganese powder is heated with Aluminium oxide?

5] A white powder is added while baking breads and cakes to make them soft and flufWhat is the name of the powder? What are the main ingredients in it? What are thefunctions of each ingredient?

6] Write any two causes that may damage the kidney of a person.

7] Explain the significance of peristaltic movement that occurs all along the gut during digestion.

8] You are given two solar cookers, one with a plane mirror as reflector and the other with concave mirror as reflector. Which one is more efficient? Give reason for your answer. State one more use of concave mirror.

9]State the law that relates current through a conductor and the potential difference between its ends. Represent the law mathematically. Represent graphically, the variation of current I as a function of potential difference V. 

Please refer to attached file for CBSE Class 10 Science Sample Paper 2013 (12).



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