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Chemistry CBSE Live product
Class 10 (2026-27)
Chemical reactions and equations
Combination and decomposition reaction
2.
Decomposition reaction
Question:
2
m.
Select the correct answer:
1.
Vijay passes electric current through acidulated water and collects two gases in separate test tubes. This reaction is called:
Combination reaction
Thermal decomposition reaction
Electrolytic decomposition reaction
Photolytic decomposition reaction
2.
Which statement is correct about decomposition reactions?
They release heat
They form only one product
They are always reversible
They require energy to break bonds
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