14. Classifying The following are balanced
equations for chemical reactions. Classify
each of the equations as synthesis,
decomposition, or replacement.
a. 2 Al + Fe₂O3-
→2 Fe + Al₂O3
b. 2 Ag+S →→→→ Ag₂S
c. CaCO3 → CaO + CO,
d. 2 NO + O₂ → 2 NO₂
-