Related Questions

Polyesters are manufactured by the polycondensation reaction of
A Dibasic acid with dihydric alcohol
B A single monomer
C Carboxylic acid with ethylene
D Inorganic acid with ethylene glycol
Polycondensation reaction of polymerisation
A Does not produce linear polymers
B Produces only thermoplastic material
C Produces epoxy polymers
D Does not need any catalyst
Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces
A Epoxy resin
B Polyamide
C Alkyd resin
D Phenolic resin
Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism.
A Proportional to
B Independent of
C Inversely proportional to
D Proportional to the square of
A reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction.
A Catalytic
B Autocatalytic
C Photochemical
D None of these
The reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction.
A Biochemical
B Photochemical
C Catalytic
D Autocatalytic
In a new production process, the number of units produced during the first week was 450. If the efficiency gradually increase so that 10 additional units can be produced each week, how many will be produced in the 10th week?
A 490
B 700
C 540
D 640
Detergent is produced by the sulphonation of dodecyl benzene, which is an __________ reaction.
A Endothermic
B Exothermic
C Irreversible
D Both B and C
The rate of reaction of a/an __________ reaction is not affected by temperature rise.
A Autocatalytic
B Photochemical
C Consecutive
D Zero order
A multiple reaction may be classified as a __________ reaction.
A Consecutive or side
B Parallel or side
C Mixed
D All of the above

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