Which Combination Will Produce a Precipitate

question 60

Multiple Choice

Which combination will produce a precipitate?

• A)Pb(NO₃)₂ (aq)and HCl (aq)
• B)Cu(NO₃)₂ (aq)and KC₂H₃O₂ (aq)
• C)KOH (aq)and HNO₃ (aq)
• D)AgC₂H₃O₂ (aq)and HC₂H₃O₂ (aq)
• E)NaOH (aq)and Sr(NO₃)₂ (aq)

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Definitions:

Costal Cartilage

The cartilage segments that connect the ribs to the sternum, contributing to the elasticity and expansion capability of the rib cage.

Thoracic Vertebrae

The twelve vertebrae situated between the cervical (neck) vertebrae and the lumbar (lower back) vertebrae, forming the mid-section of the vertebral column.

Vestigial Ribs

Rudimentary ribs that do not fully develop or serve a significant function, often found at the cervical or lumbar regions.

Floating Ribs

The last two pairs of ribs in the human rib cage that are not attached to the sternum or other ribs, providing flexibility and protection to the lower abdomen.