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प्रश्न
Select the correct name from the choices given below for the following case.
A synthetic fibre used in clothing.
पर्याय
Cotton
Jute
Terylene
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उत्तर
Terylene
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संबंधित प्रश्न
Give two examples of the following substance.
Chemical war weapons
Name the chemicals which help in increasing food production.
What is the contribution of chemistry in following field?
Medicines
Name the scientists who discovered the following:
Oxygen
State the contributions of Antoine Lavoisier
Differentiate between the terms food preservatives and food processing with appropriate examples.
Differentiate between natural fibres & synthetic fibres.
Explain how medicines are a boon to mankind. State the positive & negative effects of medicines like aspirin and paracetamol.
Preservatives are added to food or beverages.
Give reasons for the following
Cosmetics may contain preservatives, as one of their ingredients.
