1. SR; 3AgNO₃(aq) + Al(s) → Al(NO₃)₃(aq) + 3Ag(s)
2. AB; Ba(OH)₂(aq) + 2HNO₃(aq) → Ba(NO₃)₂(aq) + 2H₂O(l)
3. NR; Au(s) + FeCl₂(aq) → No Reaction
4. CB; C₅H₁₂(l) + 8O₂(g) → 5CO₂(g) + 6H₂O(g)
5. DR; Na₃PO₄(aq) + 3AgNO₃(aq) → Ag₃PO₄(s) + 3NaNO₃(aq)
6. SR; Zn(s) + 2HCl(aq) → ZnCl₂(aq) + H₂(g)
7. DR; 2AgC₂H₃O₂(aq) + MgCl₂(aq) → 2AgCl(s) + Mg(C₂H₃O₂)₂(aq)
8. NR; Mg(s) + Na₂SO₄(aq) → No Reaction
9. SR; 2HCl(aq) + Cd(s) → CdCl₂(aq) + H₂(g)
10. SR; 2Al(s) + 2KOH(aq) + 6H₂O(l) → 2K[Al(OH)₄](aq) + 3H₂(g) (Note: This is a specific reaction of Al with strong base, often classified as SR)
11. SR; CuCl₂(aq) + Zn(s) → ZnCl₂(aq) + Cu(s)
12. AB; 3NaOH(aq) + H₃PO₄(aq) → Na₃PO₄(aq) + 3H₂O(l)
13. SR; 3HBr(aq) + Al(s) → AlBr₃(aq) + 3/2H₂(g) or 6HBr(aq) + 2Al(s) → 2AlBr₃(aq) + 3H₂(g)
14. SR; 3Pb(NO₃)₂(aq) + 2Al(s) → 2Al(NO₃)₃(aq) + 3Pb(s)
15. CB; C₇H₁₆(l) + 11O₂(g) → 7CO₂(g) + 8H₂O(g)
16. SR; Mg(s) + 2AgNO₃(aq) → Mg(NO₃)₂(aq) + 2Ag(s)
17. AB; H₂SO₃(aq) + 2KOH(aq) → K₂SO₃(aq) + 2H₂O(l)
Parent Tip: Review the logic above to help your child master the concept of decomposition reactions predicting products worksheet answers.