Classify each of the following reactions as a combination reaction, decomposition reaction, displacement reaction, or combustion reaction.
Question:
Classify each of the following reactions as a combination reaction, decomposition reaction, displacement reaction, or combustion reaction.
a. When solid calcium oxide, CaO, is exposed to gaseous sulfur trioxide, SO3, solid calcium sulfate, CaSO4, is formed.
b. Calcium metal (solid) reacts with water to produce a solution of calcium hydroxide, Ca(OH)2, and hydrogen gas.
c. When solid sodium hydrogen sulfite, NaHSO3, is heated, solid sodium sulfite, Na2SO3, sulfur dioxide gas, SO2, and water vapor are formed.
d. Magnesium reacts with bromine to give magnesium bromide, MgBr2.
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