CBSE Class 10 Science Question Paper Solved 2020 Set B

Read and download CBSE Class 10 Science Question Paper Solved 2020 Set B designed as per the latest question paper pattern and Class 10 examination guidelines issued by CBSE, NCERT and KVS. The past year Question Papers for Class 10 Science have been provided with solutions which will help students to assess their performance and find out topics in Science Class 10 which they need to improve to get better marks in Class 10 exams. After solving these last year papers also refer to solved Sample Papers for Class 10 Science available on our website to build strong understanding of the subject

Science Question Paper Class 10

Students can refer to the below Class 10 Science Question Paper designed to help students understand the pattern of questions that will be asked in Class 10 exams. Please download CBSE Class 10 Science Question Paper Solved 2020 Set B

Science Class 10 Question Paper

CHEMICAL REACTIONS AND EQUATIONS
 
One mark questions
 
1. What change in color is observed when white silver chloride is left exposed to sunlight? State the type of chemical reaction in this change.
 
2. Why do gold and platinum not corrode in moist air ?
 
3. A magnesium ribbon is burnt in oxygen to give a white compound X accompanied by the emission of light . if the burning ribbon is now placed in an atmosphere of nitrogen, it forms a compound Y . write the chemical formulae of X and Y.
 
4. Name the reducing agent in the following reaction :
 
3MnO2 + 4Al → 3Mn + 2Al2O3
 
Two mark questions
 
5. Why do fireflies glow at night?
 
6. Write balanced chemical equations for the reactions that take place during respiration. Identify the type of combination reaction that takes place during this process and justify the name. Give one more example of this type of reaction.
 
7. A zinc plate put into a solution of copper sulphate kept in a glass container. It was found that blue color of the solution gets fader with the passage of time. After a few days, when zinc plate was taken out of the solution, a number of holes were observed on it.
 
i. State the reasons for the changes observed on the zinc plate.
 
ii. Write the chemical equation for the reaction involved.
 
8. Write a balanced chemical equation for the reaction between sodium chloride and silver nitrate indicating the physical state of the reactions and the products.
 
9. Consider the following chemical reaction:
 
X + barium chloride ______________ Y + sodium chloride (white ppt)
 
a) Identify ‘X’ and ‘Y’
 
b) Name the type of reaction.
 
Three mark questions
 
10.When you have mixed the solutions of lead (II) nitrate and potassium  iodide,
 
i. What was the color of the precipitate formed and, can you name the precipitate?
 
ii. Write the balanced chemical equation for this reaction.
 
iii. Is this also a double displacement reaction?
 
11.Write the chemical equation of the reaction in which the following changes have taken place with an example of each :
 
I. Change in color
 
II. Change in temperature
 
III. Formation of precipitate

 

Please click on below link to download CBSE Class 10 Science Question Paper Solved 2020 Set B

2012
CBSE Class 10 Science Question Paper 2012 (1)
CBSE Class 10 Science Question Paper 2012 (2)
CBSE Class 10 Science Question Paper 2012 (3)
CBSE Class 10 Science Question Paper 2012 (4)
CBSE Class 10 Science Question Paper 2012 (5)
CBSE Class 10 Science Question Paper 2012 (6)
CBSE Class 10 Science Question Paper 2012 (7)
CBSE Class 10 Science Question Paper 2012 (8)
CBSE Class 10 Science Question Paper 2012 (9)
CBSE Class 10 Science Question Paper 2012 (10)
CBSE Class 10 Science Question Paper 2012 (11)
CBSE Class 10 Science Question Paper 2012 (12)
CBSE Class 10 Science Question Paper 2012 (13)
CBSE Class 10 Science Question Paper 2012 (14)
CBSE Class 10 Science Question Paper 2012 (15)
CBSE Class 10 Science Question Paper 2012 (16)
CBSE Class 10 Science Question Paper SA 2 2012 (1)
CBSE Class 10 Science Question Paper SA 2 2012 (2)
CBSE Class 10 Science Question Paper SA 2 2012 (3)
CBSE Class 10 Science Question Paper SA 2 2012 (4)
CBSE Class 10 Science Question Paper SA 2 2012 (5)
CBSE Class 10 Science Question Paper SA 2 2012 (6)
CBSE Class 10 Science Question Paper SA 2 2012 (7)
CBSE Class 10 Science Question Paper SA 2 2012 (8)
CBSE Class 10 Science Question Paper SA 2 2012 (9)
CBSE Class 10 Science Question Paper SA 2 2012 (10)
CBSE Class 10 Science Question Paper SA 2 2012 (11)
CBSE Class 10 Science Question Paper SA 2 2012 (12)
CBSE Class 10 Science Question Paper SA 2 2012 (13)
CBSE Class 10 Science Question Paper SA 2 2012 (14)
CBSE Class 10 Science Question Paper SA 2 2012 (15)
CBSE Class 10 Science Question Paper SA 2 2012 (16)
CBSE Class 10 Science Question Paper SA 2 2012 (17)
CBSE Class 10 Science Question Paper SA1 2012
CBSE Class 10 Science Question Paper SA2 2012 (1)

CBSE Class 10 Science Question Paper Solved 2020 Set B

We hope you liked the above provided CBSE Class 10 Science Question Paper Solved 2020 Set B. To get an understanding of the type of questions which were asked in previous year exams, it is important for Class 10 students to refer to CBSE Class 10 Science Question Paper Solved 2020 Set B that we have provided above. Students can download all the Question Papers for Class 10 Science which were issued in the exams so that you can practise them and solve all types of questions which have been asked till now. By doing all CBSE Class 10 Science Question Paper Solved 2020 Set B PYP (previous year papers) you will understand the regular questions and MCQ questions for Class 10 Science which are always asked and learn them so that you can get full marks in those questions. You can download CBSE Class 10 Science Previous Year Question Papers and Class 10 Science Sample Papers in PDF. You should attempt all the last year question paper for Class 10 and Class 10 Science MCQ Test in examination conditions at home and then compare their answers with the solutions provided by our teachers.
 

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