an ore contains a mixture of zinc carbonate and lead carbonate. Zinc and lead are produced from this ore by 2 reactions.

REACTION 1: The carbonates in the ore are converted into a mixture of zinc oxide and lead oxide

Name this type of reaction. ______________________
How is this reaction done? _______________________

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

Question

an ore contains a mixture of zinc carbonate and lead carbonate. Zinc and lead are produced from this ore by 2 reactions.

REACTION 1: The carbonates in the ore are converted into a mixture of zinc oxide and lead oxide

Name this type of reaction. ______________________
How is this reaction done? _______________________

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

anonymous · Answer

decomposition, it's done by natural causes such as aging or weathering
The carbon holds the elements of zinc and lead.  It produced a chemical reaction from the heat.

anonymous · Answer

The first reaction is calcination ZNCO3 and PbCO3 decompose into oxides respectively. The second reaction is possible as the net change in gibbs free energy is negative hence it is sponatneous.

anonymous · Answer

lead carbonate to lead oxide and zinc carbonate to zinc oxide, they're decomposition rxns