Burning of magnesium strip in air is
A. Combination reaction
B. Displacement reaction
C. Double displacement reaction
D. Decomposition reaction
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Option A, Combination reaction
Reason: Combination reactions are those reactions that have two or more reactants that join together to form a single product.
If you look at the chemical equation of the burning of Magnesium, I.e,
2Mg + O2 ----> 2MgO
You can see two reactants (Mg & O2) but a single product (Magnesium Oxide/ MgO).
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