Identify a Spectator Ion in the Following Acid-Base Reaction

question 115

Multiple Choice

Identify a spectator ion in the following acid-base reaction. Ca(CO₃) (s) 2HCl(aq) CaCl₂(aq) 2H₂O(l ) CO₂(g)

• A)H⁺
• B)Ca²⁺
• C)Cl^-
• D)CO₃^2-
• E)H₃O⁺

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Definitions:

Immune Response

The body's defense mechanism against foreign substances or pathogens, involving various cells and proteins.

IgE Antibodies

Antibodies produced by the immune system that play a key role in allergic reactions.

Allergy

An immune system reaction to foreign substances (allergens) that are usually harmless to most people, leading to various symptoms.

Phagocytosis

A cellular process where cells engulf and digest particles or other cells, a crucial part of the immune response.