PbCO3 is a reducing agent, KNO3 is an oxidizing agent.
Reactants:
PbCO3 – Lead(II) carbonate
Other names: Lead carbonate, Cerussite, Carbonic acid, lead(2+) salt, Lead(2+) carbonate
Appearance: White powder ; Colourless crystals
KNO3 – Potassium nitrate
Other names: Saltpeter, Saltpetre, Nitrate of potashNitric acid, potassium salt, Niter, Salt peter, Nitre
Appearance: White solid ; Colourless-to-white crystalline powder
Products:
PbO4
KNO2
Names: Potassium nitrite, Nitrous acid potassium salt
Appearance: White or slight yellow solid | deliquescent ; White-to-yellow deliquescent solid in various forms
CO2
Names: Carbon dioxide, {{plainlist|, CO2Carbonic acid gas, Dry ice, [CO2], Carbonic anhydride, R-744, E-290, E 290, E290, Carbonic acid anhydride, Carbon-12 dioxide, Methanedione, Carbon oxide, CO₂, [Note: Normal constituent of air (about 300 ppm)].
Appearance: Colorless gas ; Odourless colourless compressed liquefied gas ; Colorless, odorless gas. [Note: Shipped as a liquefied compressed gas. Solid form is utilized as dry ice.]