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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
What is the contribution of chemistry in following field?
Industry
Name the scientists who discovered the following:
Atoms
Name the scientists who discovered the following:
Elements
Fill in the blank:
Inert gases were discovered by ___________
Choose the correct alternative from the choices given below for the following statement:
The chemicals prescribed by a doctor in the treatment of infectious diseases are called
State the contributions of John Dalton – towards the development of Chemistry.
Differentiate between the terms food preservatives and food processing with appropriate examples.
Preservatives are added to food or beverages.
Give reasons for the following
Aspirin is one of the most widely used medications – globally.
Give reasons for the following
All medicines must be taken under proper doctors' supervision and in the correct dose.
