The color of chlorine gas is:

• (A) - Red
• (B) - Purple
• (C) - Orange
• (D) - Green
• (E) - Blue

The color of chlorine gas is actually green. Therefore, the correct answer is (D) - Green. Chlorine gas has a distinct yellow-green color, which can be easily identified in its gaseous form.

Characteristics of Chlorine Gas

• Appearance: Yellow-green color
• Odor: Pungent and irritating
• Uses: Commonly used for disinfecting water and in various chemical processes

Safety Precautions

Chlorine gas can be hazardous, so it's important to handle it with care. Always ensure proper ventilation and use protective equipment when working with chlorine.