Which of These Substances Is a Compound

question 96

Multiple Choice

Which of these substances is a compound?

• A)Co
• B)NI₃
• C)Fe
• D)CCl₄
• E)both NI₃ and CCl₄

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Definitions:

Chronic Obstructive Pulmonary Disease

A group of lung conditions that cause breathing difficulties, including emphysema and chronic bronchitis.

Poor Appetite

Reduced desire to eat, which can be a symptom of various medical conditions or may occur as a side effect of certain treatments.

Weight Loss

The reduction of total body mass due to a loss of fluid, body fat, or lean mass, often pursued for health, fitness, or aesthetic reasons.

Common Cold

A viral infectious disease of the upper respiratory tract that primarily affects the nose, throat, sinuses, and larynx.