Which of These Compounds Has Replaced Chlorofluorocarbons (CFCs) That Were

question 28

Multiple Choice

Which of these compounds has replaced chlorofluorocarbons (CFCs) that were used in some industries ?

• A) HCFCs
• B) Freon-12
• C) CO₂
• D) N₂
• E) Silicon

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Definitions:

Coronary Artery Disease

A condition caused by the buildup of plaque in the arteries that supply blood to the heart (coronary arteries), leading to reduced blood flow and heart function.

Embolism

The presence of an obstruction in a blood vessel.

Serum Globulin

Proteins in blood serum that function in immune response and include antibodies, playing a vital role in infection resistance.

Blood Plasma

The liquid component of blood in which cells are suspended, consisting mainly of water and proteins, and serving as the medium for carrying blood cells and nutrients throughout the body.