There is also an agent that keeps dirt that has already been removed from coming back. That agent is called antiredeposition. A German scientist, Fritz Gunther, developed the first detergent. This happened in 1916. In 1933, the United States was introduced to household detergents.
Ammonia is a gas that is a mix of nitrogen and hydrogen.
Its chemical formula is NH3. This has a strong odor. How it s made By distilling coal into coke and coal gas, ammonia can be made. Another strategy to make ammonia is by mixing hydrogen and nitrogen with catalyst under pressure at a warm temperature. Distillation is the process used to separate two kinds of matter, liquids from solids or liquids from liquids.