Which One of the Following Ionic Compounds Is Insoluble in Water

question 94

Multiple Choice

Which one of the following ionic compounds is insoluble in water?

• A)Na ₃PO ₄
• B)AgNO ₃
• C)NaCl
• D)CaCO ₃
• E)MgCl ₂

---

Definitions:

Capsids

Capsids are the protein shells that enclose the genetic material of viruses, providing protection and aiding in the transmission of the viral genome between hosts.

Peptidoglycan

A sophisticated polymer located in bacterial cell walls, offering shape and structural integrity.

Penicillin

A group of antibiotics derived from Penicillium fungi, used in the treatment of bacterial infections by inhibiting cell wall synthesis.

Gram-Negative

Bacteria characterized by a cell wall structure that does not retain the crystal violet stain used in the Gram staining method of bacterial differentiation.