WorksheetsUNIT II - QUIZ 1
Total questions: 40
Worksheet time: 40mins
A chain of repeating units (called monomers)
monomer
dimer
replicate
polymer
Define polymer
circular molecule made with many repeating units
short molecule made of a few repeating units
long, chain-like molecule made of repeating units
chain-like molecule that contains hydrogen and oxygen
What is the process to make long polymer (plastic) chains?
Fractional Distillation
Curing
Fracking
Polymerization
What kind of chemical bonds create polymers?
ionic
covalent
hydrogen
metallic
A polymer made in the laboratory (or industry) usually made from petrochemicals
nature polymer
natural polymer
protein
synthetic polymer
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
What does PVC stand for?
Poly Vinyl Chemical
Poly Vinyl Carbon
Poly Vinyl Chlorine
Poly Vinyl Carbonate
What is the process to make long polymer (plastic) chains?
Fractional Distillation
Curing
Fracking
Polymerisation
The properties of Polymer is determined by
Monomer
Temperature
Pressure
All of above
Polymer made by repeating units of Ethene
Polyethylene
Polythene
PVC
polypropylene
In condensation polymerisation the byproduct formed is
Oxygen
Carbondioxide
Water
Hydrogen
Polymers not made by condensation polymerisation
Nylon
Kevlar
Polyester
PVC
Which is not a naturally occuring polymer
DNA
Teflon
Starch
Silk
Nucleotides ,glucose ,amino acids
Monomers
Polymers
Esters
Which is not polymer
DNA
Starch
Protein
Nucleotide
Which of the following is a use of Poly(ethene)?
plastic bottles
water pipes
window frames
ropes
Which one of the following polymers is prepared by condensation polymerization?
Teflon
Rubber
Styrene
Nylon-6,6
Which polymers occur naturally?
Starch and Nylon
Starch and Cellulose
Proteins and Nylon
Proteins and PVC
What is addition polymerization?
When monomers are added together to form a polymer
When polymers link with eachother to form megapolymers
When a polymer is heated and bonds between monomers break
When a polymer does things polymers do
Which statements refer to condensation polymers?
functional group of monomers: C=C
functional group of monomers: COOH, OH
formed by a reaction in which water is formed
e.g. Terylene, nylon, Kevlar
do not biodegrade, making disposal difficult
Nylon is not a
condensation polymer
co-polymer
polyamide
homopolymer
Is this polymer natural or synthetic?
silk
natural
synthetic
Is this polymer natural or synthetic?
latex
natural
synthetic
Larger polymers are formed when monomers are joined together by a _______ reaction.
dehydration synthesis
digestion
catabolic
hydrolysis
Which statements about polymers are true?
(Check TWO correct answers)
polymers consist of more than one type of monomer
polymers are broken down through hydrolysis
polymers are broken down through dehydration synthesis
polymers are made of monomers linked by covalent bonds
polymers are made of monomers linked by hydrogen bonds
Chain growth polymerization means
(a)
Ethylene is an example for (a) polymerization
Stepwise polymerization is otherwise called as
(a)
The correct flow of steps of Addition Polymerisation are
Chain Initiation > Chain Propagation > Chain Termination
Chain Initiation > Chain Termination > Chain Propagation
Chain Propagation > Chain Initiation > Chain Termination
None of these
Hexamethylenediamine and adipic acid combines to form
Buna S
Buna N
Nylon 6
Nylon 6,6
Phenol – formaldehyde polymer is also called
1.Novolac
2.Melamine
3.Bakelite
Both 1. and 3.
