1. Which gas did Scottish physician Joseph Black name “Fixed Air” after discovering it in the 1750s?
- Oxygen (O2)
- Nitrogen (N2)
- Hydrogen (H2)
- Carbon Dioxide (CO2)
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Answer: Option D. Carbon Dioxide (CO2)
2. Kazimierz Funk or Casimir Funk, a Polish biochemist, is generally credited with first formulating the concept of which of the following?
- Photosynthesis
- DNA structure
- Vitamins
- Atomic theory
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Answer: Option C. Vitamins
3. Which chemist played a significant role in developing notation for chemical formulas?
- Jöns Jacob Berzelius
- Dmitri Mendeleev
- Niels Bohr
- Michael Faraday
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Answer: Option A. Jöns Jacob Berzelius
4. Who wrote “The Sceptical Chymist”, a book that distinguished between chemistry and alchemy, signifying the start of modern Chemistry?
- Isaac Newton
- Antoine Lavoisier
- Robert Boyle
- John Dalton
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Answer: Option C. Robert Boyle
5. Who was the woman from the Mesopotamian Civilization who is acknowledged as the world’s first documented chemist?
- Hypatia of Alexandria
- Tapputi-Belatekallim
- Marie Curie
- Rosalind Franklin
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Answer: Option B. Tapputi-Belatekallim