Презентация на тему Soap and soap powder

You аre blacker than chimney-sweep,
Look at yourself :
You’ve got

shoe polish on neck,
You’ve got blot under your nose,
You’ve got such hands,
That escaped even the pants,
Even the pants, even pants
Run away from you …»

with the water used either as a cosmetic -

for cleansing and skin care products (soap), or as household chemicals - detergent (laundry soap).
surfactants - поверхностно-активные вещества
liquid - жидкость
solid - твердый
conjunction - совместный
detergent - моющее средство
laundry - прачечная

Soap

- пятна


When did people start to use soap?

The invention of the German chemist Fritz punter was

meant only for industrial use. Domestic SMS issued since 1935, when they become less harmful to the skin.

The concept of synthetic detergents and washing process.

Since then, developed a series of SMS narrow purpose, and their production - is a major branch of the chemical industry.

detergents take.
Wash - the most time-consuming process in

our everyday life. But aides in the wash are surface-active agents (surfactants).

cleaned,
transfer of water-insoluble mud particles in the solution,

retention of these floating
particles in the detergent solution,
i.e. prevent resorption.

The cleaning process was to ensure the 3 stages: