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Polymer Properties Quiz

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Questions and Answers

Who coined the term 'polymer'?

Hermann Staudinger

IUPAC

Polymer Science Community

Jöns Jacob Berzelius (correct)

What are macromolecules in a polymer composed of?

Random subunits

Alternating subunits

Many repeating subunits (correct)

Single repeating subunit

What unique physical properties are produced by the large molecular mass of polymers?

Transparency, low density, low strength

Hardness, low ductility, low malleability

Toughness, high elasticity, viscoelasticity (correct)

Brittleness, low elasticity, rigidity

In which year was the modern concept of polymers as covalently bonded macromolecular structures proposed?

1920 Signup and view all the answers

What fields study polymers?

Polymer science, biophysics, materials science and engineering Signup and view all the answers

What is the function of a lubricant?

Reduce friction between surfaces Signup and view all the answers

What is the historical origin of lubricants?

Roman era based on olive oil and rapeseed oil Signup and view all the answers

What accelerated the growth of lubrication in the Industrial Revolution?

Accompanying use of metal-based machinery Signup and view all the answers

In addition to reducing friction, what are other uses of lubricants mentioned in the text?

Cooking and preventing rusting in machinery Signup and view all the answers

What is the property of reducing friction known as?

Lubricity Signup and view all the answers