CBSE Sample Papers for Class 10 Science
CBSE Central Board of Secondary Education is the most finest Board of Education the serve quality education to both private as well as public Schools of the country. To perform well in the exam conducted by Board is the dream of every appearing student. Science is considered as the most interesting subject to prepare as per exam preparation point of view. With the aid of little practice and concentration one must able to get good marks in this subject. Here in this post, CBSE Sample Papers for Class 10 Science is made available which help students to check their level of preparations before going for exam. For more help you can also take help from Chemistry and Maths Formulas for more practice.
Sample Paper of Class 10 for Science
10th CBSE Sample Papers
General Instructions:
(a) This paper consists of two Sections Section-A and B.
(b) Section-A: 1-5 and Section-B: 21-23 are very short answer type.
(c) Section-A: 6-10 and Section-B: 24-25 are short answer type.
(d) Section-A: 11-17 and Section-B: 26-27 are also short answer type.
(e) Section-A: 18-20 and Section-B: 28-30 are long answer type.
Section-A
(ONE MARK QUESTIONS)
Q. 1: What do you understand by amphoteric oxides? Select the correct amphoteric oxides from the following: Na2O, ZnO, Al2O3, CO2.
Q. 2: Which property makes the non metal to not displace hydrogen from the solution of dilute acid?
Q. 3: Why non metals can not loose electrons so that H+ ions become hydrogen gas.
Q. 4: What is roasting? What is its causes?
Q. 5: Explain the term Aqua regia with example.
Find MCQ for CBSE Class 10 Social Science
(TWO MARK QUESTIONS)
Q. 6: Aluminium is a highly reactive metal, but it is not used to make utensils for cooking. Explain reason.
Q. 7: Explain with suitable example Why? Iron articles are frequently painted.
Q. 8: While on adding dilute HCl acid to CuO powder then the solution formed is blue and green in colour. Predict the new compound formed which imparts a blue and green colour to the solution also write its equation.
Q. 9: Which property of metal used in the following cases-
(i) Aluminium foil
(ii) Meta jewellery
(iii) Cable wires
(iv) Bells
Q. 10: How can you prove that Zinc is more reactive than Copper?
(THREE MARK QUESTIONS)
Q. 11: Draw and explain the electrolytic refining of impure Copper.
Q. 12: Why is Aluminium extracted from Alumina by electrolytic reduction and not by reducing it with Carbon?
Q. 13: Write 3 points of difference between Calcination & Roasting?
Q. 14: Write 5 points of difference between Ionic compound and covalent compound.
Q. 15: What is thermit reaction? Give its one use.
Q. 16: What is amalgam?
Q. 17: When Magnesium reacts with hot water it starts floating. Explain the reason.
(FIVE MARK QUESTIONS)
Q. 18: Differentiate between ionic and covalent compounds with reference to following properties:
(i) Amount of forces between constituent elements
(ii) Compound solubility in water
(iii) Electrical conductivity of substances
Q. 19: In the process of electrolysis of water, why the volume of the gas is collected over one electrode double the volume of gas collected over the other?
Q. 20: Calculate the potential difference in-between two terminals of a battery, if 10 J of work is required to transfer 30 C charge from one terminal of the other terminal of the battery.
Section-B
(ONE MARK QUESTIONS)
Q. 21: What effect does an increase in the concentration of H+ (aq.) in a solution have on the pH of the solution?
Q. 22: What do you understand by electric circuit? Differentiate open and a closed circuit.
Q. 23: Elaborate, role of Seminal vesicles in human being.
(TWO MARK QUESTIONS)
Q. 24: For an electric circuit,Explain the relation b/w work, potential difference & charge.
Q. 25: With the help of a label diagram, show the process of formation of an ester.
(THREE MARK QUESTIONS)
Q. 26: Differentiate b/w Esterification and Saponification reactions of organic compounds.
Q. 27: Explain the process by which charcoal obtained from wood?
(FIVE MARK QUESTIONS)
Q. 28: Explain the process by which following compounds are obtained from their metals by the process of reduction:
(i) Metal A which is in the middle of the reactivity series.
(ii) Metal B which is high up in the reactivity series.
(iii) Give one example of each.
Q. 29: Give your with suitable reason, why the normal eye unable to focus on an object placed within 10 cm from the eye?
Q. 30: What are symptoms of myopia? State any two causes of myopia. Through labelled ray diagrams show
(i) the myopia eye defect
(ii) correction using a lens.
For pdf CBSE Sample Papers for Class 1o in pdf follow:
For more CBSE Sample Papers for Class 1o, follow:
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Social Science
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18 Responses to CBSE Sample Papers for Class 10 Science
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