Classify each of these reactions with respect to the following categories: combination reaction, decomposition reaction,

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Classify each of these reactions with respect to the followingcategories: combination reaction, decomposition reaction,combustion reaction, and single-displacement reaction. (Select allthat apply.) (a) 2 NaNO3(s) reaction arrow with heat added 2NaNO2(s) + O2(g) combination reaction decomposition reactioncombustion reaction single-displacement reaction (b) C3H8(g) + 5O2(g) → 3 CO2(g) + 4 H2O(l) combination reaction decompositionreaction combustion reaction single-displacement reaction (c)SO3(g) + H2O(l) → H2SO4(l) combination reaction decompositionreaction combustion reaction single-displacement reaction.