What is the monomer used to prepare Teflon?
A
Ethylene B
Tetrafluoroethylene (C2F4) C
Vinyl chloride D
Propylene
Analysis & Theory
Teflon is prepared by *polymerization of tetrafluoroethylene (C2F4) monomers*.
Which type of polymerization is used to make Teflon?
A
Addition polymerization B
Condensation polymerization C
Step-growth polymerization D
Cross-linking polymerization
Analysis & Theory
Teflon is formed via *addition polymerization* of tetrafluoroethylene monomers.
Teflon is known for which special property?
A
High electrical conductivity B
Non-stick and chemically inert C
High density and brittleness D
Biodegradability
Analysis & Theory
Teflon is *chemically inert, non-stick, and resistant to heat and corrosion*.
Which of the following is a common use of Teflon?
A
Non-stick cookware coatings B
Electrical insulation C
Chemical-resistant containers D
All of the above
Analysis & Theory
Teflon’s *non-reactivity, heat resistance, and insulating properties* make it useful for cookware, electrical insulation, and chemical containers.
Teflon can withstand which kind of chemical environment?
A
Strong acids and bases B
Only neutral solutions C
Only water D
Corrosive gases only
Analysis & Theory
Teflon is *highly resistant to strong acids, bases, and solvents*.
Teflon is classified as which type of plastic?
A
Thermoplastic B
Thermosetting plastic C
Elastomer D
Biodegradable plastic
Analysis & Theory
Teflon is a *thermoplastic*, which can be processed with heat without chemical change.
Which of the following is an industrial application of Teflon?
A
Seals and gaskets in chemical plants B
Non-stick coatings in frying pans C
Electrical insulation D
All of the above
Analysis & Theory
Teflon is used in *seals, non-stick coatings, and electrical insulation* due to its chemical resistance and durability.
Teflon is resistant to which of the following?
A
Corrosion B
Heat C
Chemicals D
All of the above
Analysis & Theory
Teflon is resistant to *heat, corrosion, and almost all chemicals*, making it extremely versatile.