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Презентация на тему: Soap and soap powder


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Презентация на тему: Soap and soap powder


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№ слайда 1 Soap and soap powder
Описание слайда:

Soap and soap powder

№ слайда 2 «Oh, you nasty, Oh, you dirty, Unwashed pig! You аre blacker than chimney-sweep,
Описание слайда:

«Oh, you nasty, Oh, you dirty, Unwashed pig! 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 …»

№ слайда 3 Soap Liquid or solid product, containing surfactants, in conjunction with the wa
Описание слайда:

Soap Liquid or solid product, containing surfactants, in conjunction 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

№ слайда 4 When did people start to use soap? What kinds of stains are on clothing? stains
Описание слайда:

When did people start to use soap? What kinds of stains are on clothing? stains - пятна

№ слайда 5 The concept of synthetic detergents and washing process. The first SMS has appea
Описание слайда:

The concept of synthetic detergents and washing process. The first SMS has appeared only in 1916. 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. Since then, developed a series of SMS narrow purpose, and their production - is a major branch of the chemical industry.

№ слайда 6
Описание слайда:

№ слайда 7 Not the last in the list of household detergents take. Wash - the most time-cons
Описание слайда:

Not the last in the list of household detergents take. Wash - the most time-consuming process in our everyday life. But aides in the wash are surface-active agents (surfactants).

№ слайда 8 The cleaning process was to ensure the 3 stages: separation of mud particles fro
Описание слайда:

The cleaning process was to ensure the 3 stages: separation of mud particles from the surface being cleaned, transfer of water-insoluble mud particles in the solution, retention of these floating particles in the detergent solution, i.e. prevent resorption.

№ слайда 9 «Long live the scented soap ,And the fluffy towel,And the washing powder …….»Tha
Описание слайда:

«Long live the scented soap ,And the fluffy towel,And the washing powder …….»Thank you for your attention, all the best.

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