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प्रश्न
Give reasons for the following
Cosmetics may contain preservatives, as one of their ingredients.
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उत्तर
They extend the shelf life of a cosmetic and may prevent growth of microorganisms.
संबंधित प्रश्न
Give two examples of the following substance.
Fungicides
What is the contribution of chemistry in following field?
Industry
What is the contribution of chemistry in following field?
Clothing
What is the contribution of chemistry in following field?
Medicines
Name the scientists who discovered the following:
Atoms
Name the scientists who discovered the following:
Oxygen
Fill in the blank:
Inert gases were discovered by ___________
Explain in brief the importance of Chemistry in agriculture.
Explain in brief the importance of Chemistry in the production of various products.
Explain the term ‘cosmetics’ ‘talc’. Name a few main ingredients in cosmetics the role they play.
