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प्रश्न
Give reasons for the following
Titanium dioxide is an important ingredient in cosmetics.
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उत्तर
It is a natural pigment powder which provides a base for mineral makeup. It provides mild sun protection and as a pigment gives a white colouration to coloured ingredients.
संबंधित प्रश्न
Give two examples of the following substance.
Fuel
What is the contribution of chemistry in following field?
Clothing
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.
Antibiotics are used as preservatives:
Write True or False against the following statement.
D.D.T. is an important fertiliser:
Explain in brief the importance of Chemistry in the production of various products.
State the contributions of John Dalton – towards the development of Chemistry.
Give reasons for the following
Polyester is added to natural fiber cotton, to give terylene.
