Related Questions

Bakelite (phenol-formaldehyde) resin can not be used as
A Decorative paint
B Decorative laminates
C Electrical insulation
D Glass reinforced plastics
Phenol formaldehyde
A Employs addition polymerisation
B Employs condensation polymerisation
C Is a monomer
D Is an abrasive material
Phenol formaldehyde is produced by condensation polymerisation. It is also known as
A Teflon
B Bakelite
C Polyester
D Nylon-66
Melamine formaldehyde resin which has a very high anti tacking properties, is not used for the
A Electrical insulation purpose
B Tanning of leather
C Strengthening of plaster of paris
D Decorative laminates
Which of the following polymers belong to the class of formaldehyde resin?
A Melamine resins
B Teflon
C Dacron
D None of these
Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin.
A Resorcinol
B Phenol
C Para-cresol
D Melamine
Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used
A For surface coating of automobiles & air crafts
B For fibre making
C As plasticiser for PVC & nitrocellulose
D For film forming materials
The most commonly used resin for making reinforced plastic is
A Unsaturated polyester
B Polypropylene
C Polyurathane
D Nylon-6
Alkyd resin can not be used for making
A Plasticiser
B Paint & varnish
C Fibres
D Film forming materials
When formaldehyde and potassium hydroxide are heated, we get
A Acetylene
B Methyl alcohol
C Methane
D Ethyl formate

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