INBDE (Integrated National Board Dental Examination) Practice Exam

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What is the final chemical compound in alginate?

Soluble calcium sulfate
Insoluble calcium alginate
Sodium alginate
Potassium titanium fluoride

The correct answer is: Insoluble calcium alginate

Alginate is a compound that is commonly found in seaweed and is used in various products such as food and cosmetics. However, it does not exist as a single compound in nature. Rather, it is formed by the combination of various ions such as calcium, sodium, and potassium. The final chemical compound in alginate is calcium alginate, which is formed when alginate reacts with calcium ions. Therefore, options A, C, and D are incorrect because they do not represent the final compound in alginate. Soluble calcium sulfate (A) is not a compound found in alginate, sodium alginate (C) is only one part of the compound, and potassium titanium fluoride (D) does not contribute to the formation of alginate. In contrast, insoluble calcium alginate (B) accurately represents the final compound in alginate.