CBSE Class 10 Science Sample Paper 2019 Set A

Read and download PDF of CBSE Class 10 Science Sample Paper 2019 Set A 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

Science Sample Paper Class 10 2019

Students can refer to the below Class 10 Science Sample Paper designed to help students understand the pattern of questions that will be asked in Grade 10 exams. Please download CBSE Class 10 Science Sample Paper 2019 Set A

Science Class 10 Sample Paper 2019

SECTION A 

1. How can it be shown that a magnetic field exists around a wire through which a direct current is passing? 

2. Name a non conventional renewable source of energy which can be harnessed for 24 hrs throughout a year? 

3. Name one fuel used in nuclear reactor. 

4. A wire of resistance 10 ohm is bent in the form of a closed circle. What is the effective resistance between the two points at the ends of any diameter of the circle? 

5. Consider the circuit shown in the diagram. Find the current in 3 ohm resistor. 

CBSE Class 10 Science Sample Paper SA1 2014

6. What is Ocean Thermal Energy? Mention any two limitations in obtaining the energy from the oceans. 

7. a) i) What is the meaning of the term ‘frequency’ of an alternating current?

ii) What is its value in India?

b) Why is an alternating current considered to be advantageous over direct current for long range transmission of electric energy? 

8. Why is it not possible to make use of solar cells to meet all our energy needs? State at least three reasons to support your answer. 

9. a) Define resistance. Write the SI unit of resistance and define it. Match the correct range of resistivity with the materials given :

i) Conductors i) 10-6 ohm-m

ii) Alloys ii) 10 12 to 10 17 ohm-m

iii) Insulators iii) 10 -6 to 10-8 ohm-m

10. a) Draw a schematic diagram showing common domestic circuit.

b) State the function of earth wire. Why is it necessary to earth metallic appliances such as an electric iron? 
 
SECTION – B 
 
11. Identify the substance oxidised and the substance reduced in the following reaction :
 
CuO(s) + H2 (g) →Cu(s) +H2O (l)
 
12. Show the formation of magnesium chloride by the transfer of electrons. 
 
13. What is the action of red litmus on (i) dry ammonia gas (ii) solution of ammonia gas in water?
 
14. Ananya was suffering from stomach pain for a number of days. He consulted a doctor who advised him to take two tablets after each meal for about a week and avoid spicy food. Ananya followed the advice strictly and was cured.
a) What was the problem faced by Ananya? How did doctor help him?
b) Write chemical equation to justify your answer. 
 
15. What is a thermite reaction? Write one of its important applications.
 
16. What is bleaching powder chemically called? Give a reaction for its preparation. State one of its uses. 
 
17. A small amount of quick lime is added to water in a beaker.
a) Name and define the type of reaction that has taken place.
b) Write balanced chemical equation for the above reaction.
c) State two observations that you will make in the reaction.
 
18. Account for the following :
a) Oil and fat containing food items are flushed with nitrogen.
b) Plaster of Paris should be stored in a moisture proof container.
c) White silver chloride turns grey in sunlight.


Please click the below link to access CBSE Class 10 Science Sample Paper 2019 Set A

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