Pure metal is obtained from the ore using several processes. Below is a flow chart of the industrial extraction of lead metal. Study it and answer the questions that follow by typing in.
| a) Name the ore that is commonly used in this process |
| b) Indentify gas N |
| c) Complete the equation for the main reaction that takes place in the smelter furnace |
PbO +  Pb(s) + |
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