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प्रश्न
Give two examples of the following substance.
Medicines
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उत्तर
Two examples of Medicines:
1. Penicillin
2. Painkillers
3. Antibiotics
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संबंधित प्रश्न
Give two examples of the following substance.
Building materials
How is chemistry helpful in improving the health of human beings?
Name the scientists who discovered the following:
Atoms
Name the scientists who discovered the following:
Oxygen
Name the scientists who discovered the following:
Safety lamp
State the contributions of Dimitri Mendeleev
State the contributions of Antoine Lavoisier
Explain the term ‘cosmetics’ ‘talc’. Name a few main ingredients in cosmetics the role they play.
Give reasons for the following
Cosmetics may contain preservatives, as one of their ingredients.
Give reasons for the following
Polyester is added to natural fiber cotton, to give terylene.
