Muriatic acid is another name of which compound used in the production of chlorides, fertilisers, and dyes, in electroplating, and in the photographic, textile and rubber industries?

Hydrochloric acid

The correct answer is option 3. Hydrochloric acid.

Muriatic acid is another name for Hydrochloric acid.

Hydrochloric acid (HCl) is commonly known as muriatic acid, especially in industrial contexts. It is widely used in the production of chlorides, fertilizers, and dyes, as well as in electroplating, and in various industries such as photographic, textile, and rubber industries.