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प्रश्न
What is the contribution of chemistry in following field?
Industry
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उत्तर
Contribution of chemistry in the field of Industry:
To improve the efficiency and production of metals, paints, paper, plastics alloys, textile, pharmaceuticals, electroplating, cosmetics, synthetic fibres, etc.
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संबंधित प्रश्न
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:
State the contributions of Dimitri Mendeleev
State the contributions of John Dalton – towards the development of Chemistry.
Explain the term ‘cosmetics’ ‘talc’. Name a few main ingredients in cosmetics the role they play.
Differentiate between natural fibres & synthetic fibres.
Give reasons for the following
Titanium dioxide is an important ingredient in cosmetics.
Give reasons for the following
Ordinary soap is wasted in hard water.
Give reasons for the following
Polyester is added to natural fiber cotton, to give terylene.
