Answer :
REACTION 1: The carbonates in the ore are converted into a mixture of zinc oxide and lead oxide
Name this type of reaction. Decomposition reaction
How is this reaction done? It through calcination that ZnCO3 and PbCO3 decompose into oxides respectively.
REACTION 2: the metals are mixed with carbon and heated in a furnace to produce zinc and lead
Explain why zinc and lead are produced ...? The second reaction is possible as the net change in gibbs free energy is negative hence it is spontaneous.
Name this type of reaction. Decomposition reaction
How is this reaction done? It through calcination that ZnCO3 and PbCO3 decompose into oxides respectively.
REACTION 2: the metals are mixed with carbon and heated in a furnace to produce zinc and lead
Explain why zinc and lead are produced ...? The second reaction is possible as the net change in gibbs free energy is negative hence it is spontaneous.