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← CBSE Class 10 PYQ
Chemical Reactions and Equations
CBSE Class 10 · Science · 31 past questions
Topic
Balancing chemical equations
4
Decomposition and products of specific reactions
2
Oxidation, reduction and redox
2
Types of chemical reactions
2
Exothermic and endothermic reactions
1
Observations and changes in reactions
0
Level
Easy
5
Moderate
2
Tough
0
Year
2026
0
2025
0
2024
2
2023
0
2 of 31 ·
show all
Q21
2024
Which one of the following reactions is different from the remaining three ?
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Q22
2024
When magnesium ribbon is burnt in air, an ash of white colour is produced. Write chemical equation for theā¦
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