Neon in extensively used in

Options

A. cold stronge unit
B. organic compounds
C. medicines
D. coloured electric discharge lamps

Answer

**Step-by-Step Solution:**

1. **Identify the Element**: The question asks about Neon, which is a noble gas and belongs to Group 18 of the periodic table.

2. **Understand the Properties**: Neon is classified as an inert gas, meaning it has a full valence shell and does not readily react with other elements. This property makes it stable and non-flammable.

3. **Applications of Neon**: One of the primary uses of Neon is in lighting. Neon gas is used in neon lamps, which are a type of electric discharge lamp.

4. **Color Emission**: When an electric current passes through neon gas, it emits a bright orange-red glow. This characteristic color is one of the reasons why neon is popular in signage and decorative lighting.

5. **Conclusion**: Therefore, the answer to the question is that Neon is extensively used in colored electric discharge lamps.

**Final Answer**: Neon is extensively used in colored electric discharge lamps.

---