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Chemistry CBSE Live product
Class 10 (2026-27)
Chemical reactions and equations
PT1 Revision - Chemical reactions and equations
1.
Indicators of chemical reactions
Question:
1
m.
Identify the correct answer:
Which situation does not represent a combination reaction, even though two substances are involved?
Burning magnesium in air
Formation of water from hydrogen and oxygen
Formation of ammonia from nitrogen and hydrogen
Heating of ferrous sulphate
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