1) What is the objective of this experiment? ( name of the experiment Calcium Su

ID: 1004397 • Letter: 1

Question

1) What is the objective of this experiment? ( name of the experiment Calcium Supplement)

A) To learn how calcium is used in the body.

B) To qualitatively how much calcium is an calcium supplement.

C) To quantitatively how much calcium is an calcium supplement.

2) what is formula for calcium carbonate ?

A) CaCO4

B) CaCO3

C) Na2CO3

D) H2CO3

E) CaCO2

3) When acid is added to the carbonate ion, which of the following are the correct products?

A) water and carbon monoxide.

B) calcium and nitrogen

C) water and carbon dioxide

D) calcium and water

4) What is NOT a purpose for adding acid to the pill?

A) To activate the byproducts.

B) To liberate the calcium as an ion solution.

C) To create a solution where the impurities can be filtered.

D) To remove the carbonate that traps the calcium in a solid.

5) Which of the following is NOT a reason for adding the carbonate ion to solution with the calcium ion:

A) To combine with calcium to form an insoluble compound.

B) To act as a fixer to the contaminants in the solution.

C) To neutralize the excess acid.

1.C) To quantitatively how much calcium is an calcium supplement.

2. B CaCO3

3. C) water and carbon dioxide

CaCo3 + 2HCl ------> CaCl2 + Co2 + H2O

4. A) To activate the byproducts.

5.A) To combine with calcium to form an insoluble compound.

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