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प्रश्न
Choose the correct alternative from the choices given below for the following statement:
Mortar is used as a
विकल्प
plastic material Urea is an
a building material
an insecticide
as medicine
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उत्तर
a building material
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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?
Cosmetics
Name the scientists who discovered the following:
Elements
Food items like jams and pickles are protected by using ___________.
Differentiate between the terms food preservatives and food processing with appropriate examples.
Give reasons for the following
Aspirin is one of the most widely used medications – globally.
Food processing is an important procedure for obtaining marketable food products.
Give reasons for the following
Polyester is added to natural fiber cotton, to give terylene.
Give reasons for the following
All medicines must be taken under proper doctors' supervision and in the correct dose.
