Polymer and Covalent Bonds

Q. 

Monomer means

• Big molecules

• Small molecules

• Molecule

• Not a molecule

Q.Which is the monomer of Polyethylene

• Acetylene

• Methylene

• Ethylene

• Propelene

Q. 

A chain of repeating units (called monomers)

• Monomer

• Dimer

• Replicate

• Polymer

Q. 

The process by which polymers and plastics are made is called… ?

• Plastication

• Polymerisation

• Thermocation

• Carbonification

Q. 

Strongest bond in polymers is

• Covalent Bond

• Hydrogen Bond

• Ionic Bond

• Weak Bond

Q. Rigid and very strong Polymer.

• Linear

• Branched

• Cross-Linked

• Thermoset

Q. 

A polymer that is irreversibly hardened by curing, like polyurethane or Bakelite, is called ___

• reinforced

• thermoplastic

• thermoset

• fortified

Q. 

A thermoplastic polymer will be ______________________.

below its glass transition temperature.

• rigid and brittle

• soft and flexible

• translucent

• rubbery

Q. 

Which of the following determine the properties of a polymer?

• chemical nature of the monomer

• length of the polymer chain

• how the monomers are joined together

• All of the above

Q. 

a polymer that is usually made by living things

• nature polymer

• natural polymer

• protein

• synthetic polymer

Tags

NGSS.HS-LS1-6