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← CBSE Class 10 PYQ
Chemical Reactions and Equations
CBSE Class 10 · Science · 31 past questions
Topic
Types of chemical reactions
5
Decomposition and products of specific reactions
4
Balancing chemical equations
3
Exothermic and endothermic reactions
3
Observations and changes in reactions
2
Oxidation, reduction and redox
2
Level
Easy
3
Moderate
1
Tough
0
Year
2026
0
2025
0
2024
1
2023
2
3 of 31 ·
show all
Q16
2024
Solid Calcium oxide reacts vigorously with water to form Calcium hydroxide accompanied by the liberation of…
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Q29
2023
Q. No. 17 to 20 are Assertion – Reasoning based questions. These consist of two statements – Assertion (A)…
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Q30
2023
Which of the following is an example of endothermic process ?
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