jescspsu04.pdf - CBSE Science Class 10 Sample Paper 4 Page...

CBSE Science Class 10 Sample Paper 4 Page 1
Sample Paper 4
Class X 2022-23
Science (086)
Time: 3 Hours Max. Marks: 80
General Instructions:
1. This question paper consists of 39 questions in 5 sections.
2. All questions are compulsory. However, an internal choice is provided in some questions. A student is expected
to attempt only one of these questions.
3. Section A consists of 20 Objective Type questions carrying 1 mark each.
4. Section B consists of 6 Very Short questions carrying 02 marks each. Answers to these questions should in the
range of 30 to 50 words.
5. Section C consists of 7 Short Answer type questions carrying 03 marks each. Answers to these questions should
in the range of 50 to 80 words.
6. Section D consists of 3 Long Answer type questions carrying 05 marks each. Answer to these questions should
be in the range of 80 to 120 words.
7. Section E consists of 3 source-based/case-based units of assessment of 04 marks each with sub-parts.
SECTION-A
Select and write one most appropriate option out of the four options given for each of the questions 1 – 20.
1. The schematic diagram is given below :
Which of the following is an incorrect statement?
(a) A and E are chemically same.
(b) A and D are chemically same.
(c) D and E are chemically same.
(d) C and E are chemically same.
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Page 2 Sample Paper 4 CBSE Science Class 10
2. What happens when dilute hydrochloric acid is added to iron fillings as shown in the figure?
3. When hydrogen sulphide gas is passed through a blue solution of copper sulphate, a black precipitate of copper
sulphide is obtained and the sulphuric acid so formed remains in the solution. The reaction is an example of:
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