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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
Give two examples of the following substance.
Chemical war weapons
How is chemistry helpful in improving the health of human beings?
What is the contribution of chemistry in following field?
Industry
What is the contribution of chemistry in following field?
Medicines
Differentiate between the terms food preservatives and food processing with appropriate examples.
Differentiate between natural fibres & synthetic fibres.
Give reasons for the following
Titanium dioxide is an important ingredient in cosmetics.
Give reasons for the following
Aspirin is one of the most widely used medications – globally.
Select the correct name from the choices given below for the following case.
A synthetic fibre used in clothing.
