10 Questions |
By Skylark | Last updated: May 17, 2019
| Total Attempts: 43
Polymers are a fascinating part of our lives. We use polymers everyday.
Questions and Answers
Natural Polymers are ones that can come from plants. These are made of a polymer called cellulose, starch, and rubber.
Polymer is a chemical compound formed from long chains of the same molecule group, repeating over and over.
The word Polymer can be divided into two parts - Poly- means "many" and -mer means "part" or "segment".
When_________________ are formed in a polymer, its chains of molecules are connected in several places, producing a stronger and more elastic polymer.
The following are all examples of a particular type of polymer that comes from ________.* Keratin*Collagen*Gelatin*Silk - When Wallace Carothers invented nylon, he made a polymer with a structure similar to that of silk. Natural materials - BIOMIMICRY*Enzymes*Chitin - is the strong waterproof stuff that crustaceans like crabs and shrimp
Synthetic silk is called _______________.
Which of the following materials is common to making a polymer ball, slime, and floam?
PVA glue such as Elmers
From what country did the word Borax originate?
The Molecular formula for Borax is written as follows: Na2B4O7·10H2O.Which of the following is correct?(This question may be a bit difficult)
Na2 = Two sodium atoms. These bond with the tetraborate molecule.
Na2 = Naicinum atoms.
B4O7=Tetraborate ion. This ion contains four boron atoms and seven oxygen atoms
10H2O = Sodium water with 10 molecules.
10H2O =Waters of hydration, these are water molecules that are present in the crystal structure.
The following playful polymer is considered non-Newtonian fluids because they do not behave as predicted by Newton's laws.
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Questions: 6 | Attempts: 3966 | Last updated: Aug 12, 2020