About Super 20 Sample Paper Science Class 10
Super 20 Science Sample Paper for class 10 is designed in accordance with the pattern specified by the CBSE for the Examination. This book consists of 20 Solved Different types of questions. These papers give you an idea about how your real Board Examination Question Paper will look in terms of difficulty level, marks distribution, sections, number & type of questions, time and duration.
Why to Practice Super 20 Science Sample Paper?
Super 20 Science Sample Papers help you to get into the real exam-type feeling. As this question paper is exactly similar to the CBSE sample papers, you will find it very useful to analyze how much time you need to answer each question, what should be your writing strategy and how to finish it in given time. The more you practice, the more efficiency level you achieve. It matters a lot. Most of the time, you know the answers but you miss it only because of bad time management.
Students are advised to solve all these Sample Papers and refer their answers to the Marking Scheme to assess their level of preparation for CBSE Board Examination. All these questions are very important for forthcoming CBSE Board Examination.
Some Questions from Super 20 Sample Paper Science Class 12
Name a reducing agent that may be used to obtain manganese from MnO2 (1)
(a) What is the colour of ferrous sulphate crystals? How does this colour change after heating?
(b) Name the products formed on strongly heating ferrous sulphate crystals. What type of chemical reaction occurs in this change? (2)
(a) Distinguish between renewable and non-renewable sources of energy.
(b) Choose the renewable sources of energy from the following list: Coal, Biogas, Sun, Natural gas. (2)
(a) Distinguish between the terms ‘overloading’ and ‘short-circuiting’ as used in domestic circuits.
(b) Why are the coils of electric toasters made of an alloy rather than a pure metal? (3)
How are oxygen and carbon dioxide transported in human beings? How are lungs designed to maximise the area for exchange of gases? (3)
How is ozone formed in the upper atmosphere? Why is damage to ozone layer a cause of concern to us? What causes this damage? (3)