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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
What is the contribution of chemistry in following field?
Cosmetics
What is the contribution of chemistry in following field?
Medicines
Name the scientists who discovered the following:
Atoms
Explain in brief the importance of Chemistry in the production of various products.
State the contributions of Antoine Lavoisier
Differentiate between the terms food preservatives and food processing with appropriate examples.
Explain the term ‘cosmetics’ ‘talc’. Name a few main ingredients in cosmetics the role they play.
Give reasons for the following
Titanium dioxide is an important ingredient in cosmetics.
Give reasons for the following
Ordinary soap is wasted in hard water.
Give reasons for the following
All medicines must be taken under proper doctors' supervision and in the correct dose.
