CBSE Class 10 Science Sample Paper 2013 (11). 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 one Metal and one Non-Metal which exists in liquid state at room temperature?
2] How is brain protected from shocks and injuries?
3] Name the instrument used for measuring:
(i) Potential difference (ii) Current
4] Define double displacement reaction with the help of an example.
5] HCl and HNO3 show acidic characters in aqueous solution while alcohol and glucose solutions do not. Give reasons.
6] What happens to glucose that enters the nephron along with the filtrate?
7] How many electrons will flow through a wire when the charge of 4C flows for 2 sec? Also find the current.
8] A wire is cut into three equal parts and then connected in parallel with the same source. How will its: (a) Resistance (b) resistivity gets affected? (c) How would the total current and the current through the parts change?
9] How does the strength of the Magnetic field at the centre of a circular coil of a wire depend on
(a) Radius of the coil (b) number of turns of wire in the coil?
(c) Draw the magnetic lines of force in case of a circular coil of a wire.
10] How are water and minerals absorbed by the plant?
11] What are the disadvantages of using fossil fuels? Give two instances where solar cells are exclusively used as source of energy.
12] (a) What are ionic compounds? Ionic compounds conduct electricity only in molten state not in solid state. Why?
(b). Why do ionic compounds have high melting points?
13] What are exothermic and endothermic reaction. Explain with the help of one example each.
14] The pH of the mouth of a person is lower than 5.5. What changes will occur in his mouth? How these changes can be controlled? Write any two measures.
15] Mention any three important functions of fore brain.
16] Give the events that occur during photosynthesis.
17] Name the hormones secreted by Thyroid, Pancreas and Adrenal glands. Write a function of each hormone
18] Tendril encircles or coils around the object in contact with it. Elaborate.
19] A sanitary worker uses a white chemical having strong smell of chlorine gas to disinfect the water tank.
Please refer to attached file for CBSE Class 10 Science Sample Paper 2013 (11).
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