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प्रश्न
Give reasons for the following
Polyester is added to natural fiber cotton, to give terylene.
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उत्तर
Polyester is added to natural fiber cotton, to give terylene because this combination makes the fabric easy to clean and crease-resistant.
संबंधित प्रश्न
Give two examples of the following substance.
Fungicides
How is chemistry helpful in improving the health of human beings?
What is the contribution of chemistry in following field?
Cosmetics
Food items like jams and pickles are protected by using ___________.
State the contributions of Antoine Lavoisier
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
Cosmetics may contain preservatives, as one of their ingredients.
Select the correct name from the choices given below for the following case.
A synthetic fibre used in clothing.
