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← CBSE Class 10 PYQ
Chemical Reactions and Equations
CBSE Class 10 · Science · 31 past questions
Topic
Exothermic and endothermic reactions
2
Types of chemical reactions
1
Balancing chemical equations
0
Decomposition and products of specific reactions
0
Observations and changes in reactions
0
Oxidation, reduction and redox
0
Level
Easy
3
Moderate
2
Tough
0
Year
2026
6
2025
3
2024
7
2023
3
3 of 31 ·
show all
Q28
2023
A metal ribbon 'X' burns in oxygen with a dazzling white flame forming a white ash 'Y'. The correct…
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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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