Introduction to Chemistry: History of Chemistry
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Questions and Answers

Who played a pivotal role in the synthesis of synthetic polymers like nylon and polyethylene?

  • Paul Anastas
  • John Warner
  • Wallace Carothers (correct)
  • A.M. Helmenstine

Which century saw the transformation of materials science and everyday life due to the discovery of synthetic polymers?

  • 18th century
  • 21st century
  • 20th century (correct)
  • 19th century

Who introduced the concept of green chemistry in the 1990s?

  • John Warner
  • A.M. Helmenstine
  • Paul Anastas (correct)
  • Wallace Carothers

What does green chemistry emphasize?

<p>Minimizing environmental impact (B)</p> Signup and view all the answers

Which field focuses on sustainable and environmentally friendly practices in chemistry?

<p>Green Chemistry (D)</p> Signup and view all the answers

When was the concept of green chemistry introduced?

<p>1990s (D)</p> Signup and view all the answers

Which chemist is associated with DuPont and the synthesis of revolutionary materials?

<p>Wallace Carothers (A)</p> Signup and view all the answers

Who was the first to propose that matter exists in the form of particles and coined the term 'atoms'?

<p>Democritus (A)</p> Signup and view all the answers

Which scientist differentiated between compounds and mixtures and was the first to propose the combination of small particles to form molecules?

<p>Sir Robert Boyle (D)</p> Signup and view all the answers

Who invented the mercury barometer in 1643?

<p>Evangelista Torricelli (A)</p> Signup and view all the answers

Which scientist discovered boron, iodine, and acid-base indicators like litmus?

<p>J.L. Gay-Lussac (A)</p> Signup and view all the answers

Who was among the alchemists (~1000–1650) that used metallic compounds and plant-derived materials to treat diseases?

<p>Democritus (C)</p> Signup and view all the answers

Which scientist formulated the fundamental gas laws during his lifetime?

<p>Sir Robert Boyle (B)</p> Signup and view all the answers

'Who discovered sulfuric acid?' is a question related to which scientist?

<p>J.L. Gay-Lussac (B)</p> Signup and view all the answers

Among these scientists, who was the earliest to practice alchemy in search of a universal solvent and methods to treat diseases?

<p>Democritus (B)</p> Signup and view all the answers

In which century did alchemists engage in practices like trying to change metals into gold and discovering elixirs for longevity?

<p>16th century A.D. (B)</p> Signup and view all the answers

The term 'atoms' was first introduced by which ancient thinker?

<p>Democritus (B)</p> Signup and view all the answers

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