you are hired as an environmental consultant at Stelco Inc., one of the largest steel manufacturer’s in Canada. Stelco has been recently legislated to reduce total SO2 emissions from iron smelting operations. Select the most effective chemical reagent to desulfurize Stelco’s gas emissions as a strategy to minimize the environmental impact of acid rain in eastern Canada:

a. CO2
b. HClO4
c. CaO
d. HCl
e. HNO3

4 answers

Your job is to determine which of the materials SO2 will react with. Which do you think is the most probable?
Your second question you posted should tell you the answer to this one.
o ok...so it would be lime (CaO)
yes.