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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.
Fuel
Name the chemicals which help in increasing food production.
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
Explain the term ‘cosmetics’ ‘talc’. Name a few main ingredients in cosmetics the role they play.
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.
Food processing is an important procedure for obtaining marketable food products.
Select the correct name from the choices given below for the following case.
A synthetic fibre used in clothing.
