Question

.............. is used in making colourful electric light​​

Answer 1

Answer:

Neon lights were named for neon, a noble gas which gives off a popular orange light, but other gases and chemicals are used to produce other colors, such as hydrogen (red), helium (yellow), carbon dioxide (white), and mercury (blue).

Answer 2

Although commonly called neon, these lights can be created using other gases. Five of the six noble gases are used because of their ability to produce colored light when electricity flows through them. Neon and argon are the most commonly used gases because they are the least expensive and most available