Usually, it is a base, but that depends on the brand and it's purpose. Bleaches are acidic, while dish detergent is basic.
If liquid detergent turns red litmus paper blue, it is likely a base. Red litmus paper turns blue in the presence of a base, indicating that the detergent is causing a basic reaction.
Detergent solutions are usually slightly basic because they contain surfactants that can act as weak bases.
Most detergents are slightly to moderately alkaline.
Dish detergent is usually a base. It contains surfactants that help to remove grease and grime by lowering the surface tension of water and allowing it to penetrate and clean more effectively.
Laundry detergent is typically a base because it contains surfactants that help to lift dirt and oils from fabrics by increasing the pH of the water, making it more alkaline.
Dishwashing detergent is typically a base. Bases help to break down and remove grease and oils from dishes by emulsifying them in water, making it easier to rinse them away.
detergent is alkali and this can be tested by putting detergent into an acid if it neutralises than it is an acid not an alkali
It is a base because it has a pH level of 7.8 and for it to be ans acid it has to be below 7 for a pH level to be an acid.
Washing detergent is nearly always alkaline or antacid. There are some special purpose soaps - called soapless soaps, that are mildly acidic, but they are for special purposes and not usually encountered. On the other hand, detergents with ammonia in them are strongly alkaline.
Acetic Acid
Powdered laundry detergent is typically basic in nature. It contains alkaline substances such as sodium carbonate or sodium silicate to help remove grease and oils from clothes.
It is because turmeric contains an acid (tartaric acid), while the soap contains a base (sodium hydroxide). When an acid reacts with a base, neutralization reaction takes place and the stain becomes neutral.