Giovanni created this chart to study for an exam.

compound i uses

sodium hydroxide (naoh) plastic, soap, and paper production

iron oxide (feo) toothpastes and antacids

calcium chloride (cacl2) snow removal

calcium carbonate (caco3) dark pigment in makeup

which best describes how to correct the error in the chart?

a) remove “plastics” from the uses for sodium hydroxide.
b) swap the uses for iron oxide and calcium carbonate.
c) change the use for calcium chloride to “used in preservatives.”
d) add “de-ice roads” to uses for calcium carbonate.