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Baking soda is sometimes used as an antacid. The chemical name for baking soda is Sodium Bicarbonate. What is the bicarbonate doing to help with stomach upset?


A) It is serving as a buffer to take up excess H+ ion from stomach acid.
B) It is able to coat the stomach lining.
C) The bicarbonate helps to create more acid in the stomach.
D) The bicarbonate acts as a strong acid quickly dissociating into H+ ion.
E) It relaxes the stomach muscles.

F) A) and E)
G) A) and B)

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The particles that are found in the nucleus of an atom are the


A) protons and electrons.
B) neutrons and protons.
C) electrons only.
D) protons only.
E) electrons and neutrons.

F) A) and E)
G) A) and D)

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