CBSE Class 10 Science Sample Paper Set B

CBSE Class 10 Science Sample Paper Set B. It’s always recommended to practice as many CBSE sample papers as possible before the examinations. The latest sample papers have been designed as per the latest blue prints, syllabus and examination trends. Sample papers should be practiced in examination condition at home or school and also show it to your teachers for checking or compare with the answers provided. Students can download the sample papers in pdf format free and score better marks in examinations. Refer to other links too for latest sample papers.

SECTION-A

1 Lead Nitrate Pb(NO₃)₂ on heating forms lead oxide, nitrogen dioxide and oxygen. Write abalanced equation for this reaction.

2 The increase in demand for energy is affecting our environment adversely. List two such effects . 

3 Why Respiration reaction is consider as exothermic reaction? 

4 A metal X which is used in thermit process, when heated with oxygen gives an oxide Y which is amphoteric in nature. Identify X and Y.        Write the reaction of oxide ‘Y’ with NaOH.

5 What is electromagnetic induction ? State the rule used to find the direction of induced current in a moving conductor in a magnetic field.

6 Rahul put a substance A in a china dish and left it in the open air near the window. After some time its colour changed to grey. Translate      the above statement into a balanced chemical equation.Why do we need to balance a chemical equation? Name the type of the reaction       in this case.

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