They likely would have used carbonates found in rocks or just regular water.
The control group would be a group of clothes washed with water only, without any laundry soap. This allows you to compare the effectiveness of different laundry soaps in cleaning clothes against the baseline of no soap.
The control group in a laundry soap experiment would be a batch of clothes washed without adding any laundry soap. This group serves as the baseline for comparison to assess the effectiveness of the different laundry soaps in removing stains and dirt from the clothes.
Washing clothes with bath soap may not effectively remove dirt and stains, as bath soaps are designed for skin and may not contain the necessary cleaning ingredients for clothes. Additionally, bath soaps can leave residue on clothes, leading to potential skin irritations or damage to the fabric over time. It is recommended to use detergents specifically formulated for laundry when washing clothes.
Most people don't start watching the soaps until they are teenagers. Depending on whether or not your mom watches the soaps, some people may start watching them when they are younger.
no laundry soap
no laundry soap
Soaps and detergents contain surfactants that help to break down and emulsify dirt, oils, and stains on clothes. They allow water to penetrate more easily and lift soil particles away from the fabric, enabling them to be rinsed away during the washing process. Additionally, they help to suspend these particles in the water to prevent them from reattaching to the clothes.
A lot of things can cause irritation. For many it can be clothes rubbing against it or even soaps too.
candles, adobes, tiles, shoes, woolen garments, soap, and clothes.
Soaps or, for tough projects, degreasers.
The nonpolar part of soaps or detergents "dissolve" dirt, fats and oilis; this mixture reach the internal part of so-called micelles, formed by adding soaps to water. The external part of these micelles is from polar part of soaps and detergents and is soluble in water. So thhis assembly is washed.
Soaps do not work well in hard water because the minerals in hard water, such as calcium and magnesium, react with the soap molecules to form insoluble compounds called soap scum. This reduces the effectiveness of the soap for cleaning and can leave a residue on surfaces.