Related Questions

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
Condensation polymerisation of __________ produces bakelite.
A Propylene
B Phenol & formaldehyde
C Phenol & acetaldehyde
D Urea & formaldehyde
Who invented Bakelite?
A Charles Goodyear
B Leo Hendrik Baekeland
C Roy Plunkett
D Henry Ford
Bakelite is a co-polymer of phenol and
A formaldehyde
B acetaldehyde
C benzaldehyde
D cinnamaldehyde
Bakelite is
A Same as polytetra flouro ethylene (PTFE)
B An inorganic polymer
C Same as thermoset phenol formaldehyde
D Not a polymer
Bakelite is a/an
A Addition polymer
B Elastomer
C Thermoplastic
D None of these
What is a Bakelite ?
A Solution
B Acid
C Base
D Polymer
In drilling Bakelite and fibrous plastics, the point angle of a drill is
A 90°
B 118°
C 135°
D 150°
If the sheet of a bakelite is inserted between the plates of an air capacitor, the capacitance will
A decrease
B increase
C remains unchanged
D become zero
Bakelite is chemically known as
A Polyvinyl chloride (PVC)
B Polybutadiene
C Phenol formaldehyde
D Polyurathane

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