Describe how each of these stages is carried out. In your answer: include one chemical equation for each stage; explain how zinc leaves the blast furnace in stage 2.
Name the alloy produced when zinc is combined with copper.
Copper is a transition element. It can have variable oxidation states. State two other chemical properties of transition elements which make them different from Group I elements.
State the full name of this copper compound that can be used to test for water.
State the colour change that occurs when water is added to this copper compound. from ............ to ............
Balance the chemical equation for this reaction. $\text{KI} + \text{CuSO}_4 \rightarrow \text{CuI} + \text{I}_2 + \text{K}_2\text{SO}_4$
Deduce the charge on the copper ion in CuI.
In terms of electron transfer, explain why copper is reduced in this reaction.
Identify the reducing agent.