Part A
DD, D, S, SD, D, S, D, SD, S, DD
Part B
Cu(NO3)2 + Ag: No reaction
MgCl2 + H2: No reaction
SnSO4 + H2: No reaction
Na2O + Cu: No reaction
Part C
Part C(a, i)
Zinc + Lead(II) nitrate → Zinc nitrate + Lead
(ii) Zn + Pb(NO3)2 → Zn(NO3)2 + Pb
(iii) Zn + Pb(NO3)2 → Zn(NO3)2 + Pb
Part C(b)
Hydrogen + Nitrogen monoxide → Water + Nitrogen gas
(ii) H2 + NO → H2O + N2
(iii) 2H2 + 2NO → 2H2O + N2
Part C(c)
Hydrogen peroxide → Water + Oxygen gas
(ii) H2O2 → H2O + O2
(iii) 2H2O2 → 2H2O + O2
Part C(d)
Aluminium + Iron(III) oxide → Iron + Aluminium oxide
(ii) Al + Fe2O3 → Fe + Al2O3
(iii) 2Al + Fe2O3 → 2Fe + Al2O3
Part D
A single displacement reaction occurs when one element replaces another element in a compound. Example: Zn + Pb(NO3)2 → Zn(NO3)2...