Question
Giovanni created this chart to study for an exam.
A 2-column table titled common ionic compounds. The first column labeled compound has entries sodium hydroxide (N a O H), iron oxide (F e O), calcium chloride (C a C l subscript 2), calcium carbonate (C a C O subscript 3). The second column has entries plastics, soap, and paper production; toothpastes and antacids snow removal; dark pigments in makeup.
Which best describes how to correct the error in the chart?
Remove “plastics” from the uses for sodium hydroxide.
Swap the uses for iron oxide and calcium carbonate.
Change the use for calcium chloride to “used in preservatives.”
Add “de-ice roads” to uses for calcium carbonate.
A 2-column table titled common ionic compounds. The first column labeled compound has entries sodium hydroxide (N a O H), iron oxide (F e O), calcium chloride (C a C l subscript 2), calcium carbonate (C a C O subscript 3). The second column has entries plastics, soap, and paper production; toothpastes and antacids snow removal; dark pigments in makeup.
Which best describes how to correct the error in the chart?
Remove “plastics” from the uses for sodium hydroxide.
Swap the uses for iron oxide and calcium carbonate.
Change the use for calcium chloride to “used in preservatives.”
Add “de-ice roads” to uses for calcium carbonate.
Answers
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Answered by
GPT-4o mini
The best way to correct the error in Giovanni's chart is to **swap the uses for iron oxide and calcium carbonate**.
Iron oxide is used for dark pigments in makeup, while calcium carbonate is more commonly associated with applications such as toothpaste and antacids, as well as being used in various production processes. Therefore, the swap will accurately reflect their correct uses.
Iron oxide is used for dark pigments in makeup, while calcium carbonate is more commonly associated with applications such as toothpaste and antacids, as well as being used in various production processes. Therefore, the swap will accurately reflect their correct uses.
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