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प्रश्न
Choose the correct alternative from the choices given below for the following statement:
Mortar is used as a
पर्याय
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.
Medicines
Name the chemicals which help in increasing food production.
Name the scientists who discovered the following:
Atoms
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
Explain in brief the importance of Chemistry in agriculture.
State the contributions of Dimitri Mendeleev
Explain the term ‘cosmetics’ ‘talc’. Name a few main ingredients in cosmetics the role they play.
Explain how medicines are a boon to mankind. State the positive & negative effects of medicines like aspirin and paracetamol.
Give reasons for the following
Titanium dioxide is an important ingredient in cosmetics.
Give reasons for the following
Aspirin is one of the most widely used medications – globally.
