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shtirl [24]
3 years ago
10

Giovanni created this chart to study for an exam.

Chemistry
2 answers:
Olegator [25]3 years ago
7 0
Calcium carbonate is indeed used as an antacid (among Mg(OH)2, Al2(OH)3 and NaHCO3).

Ferrous oxide or Iron (II) oxide is a dark substance, and I would certainly think twice before using a dark tooth paste (Yew! ) It might even rust if left in the mouth for some time!

max2010maxim [7]3 years ago
7 0
<h3><u>Answer;</u></h3>

B) Swap the uses for iron oxide and calcium carbonate.

<h3><u>Explanation;</u></h3>
  • Calcium carbonate is a compound that is naturally found in marble, chalk and limestone. It is used in pharmaceutical applications as a cost <u>effective dietary calcium supplement, and also used in antacids.</u>
  • Calcium carbonate is also found in <u>products such as baking powder, tooth paste, and wine among others.</u>
  • Iron oxides are compounds of iron that are<u> used as coloring agents in some cosmetics.</u> The forms of iron oxides used in cosmetics are normally synthetic.
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