Advertisements
Advertisements
प्रश्न
Explain the term ‘cosmetics’ ‘talc’. Name a few main ingredients in cosmetics the role they play.
Advertisements
उत्तर
Cosmetics are mixtures of chemical compounds from natural sources or from synthetic sources.
Cosmetics - enhance or alter the appearance or fragrance of an individual. Some sources of compounds used in cosmetics include – modified natural oils and fats, processed minerals e.g. – zinc oxide, iron oxide, and talc.
Talc :
1. Talcum powder is made from talc – a mineral made up of – hydrated magnesium silicate, (contains elements – magnesium silicon, oxygen).
2. In its natural form – talc contains asbestos–which is removed from consumer products.
3. Talc – absorbs moisture, cuts down on friction, keeps skin dry and prevents rashes
संबंधित प्रश्न
Name the chemicals which help in increasing food production.
What is the contribution of chemistry in following field?
Industry
What is the contribution of chemistry in following field?
Medicines
Name the scientists who discovered the following:
Oxygen
Name the scientists who discovered the following:
Safety lamp
Name the scientists who discovered the following:
Elements
Fill in the blank:
Inert gases were discovered by ___________
Write True or False against the following statement.
D.D.T. is an important fertiliser:
Choose the correct alternative from the choices given below for the following statement:
Mortar is used as a
Give reasons for the following
All medicines must be taken under proper doctors' supervision and in the correct dose.
