Related Questions

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
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
Bakelite (phenol-formaldehyde) resin can not be used as
A Decorative paint
B Decorative laminates
C Electrical insulation
D Glass reinforced plastics

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