Related Questions

__________ is produced using polycondensation reaction.
A Polythene
B Phenol formaldehyde
C Poly vinyl chloride
D None of these
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
Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium
A Carbonate
B Phosphate
C Bicarbonate
D Silicate
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
The cost, in taka, of manufacturing x microwaves is 6000+300x taka. The amount received when selling these x microwaves is 700x taka. What is the least number of microwaves that must be manufactured and sold so that net profit is Tk. 2,400?
A 15
B 21
C 19
D 17
The cost, in taka, of manufacturing x microwaves is 6000+300x Taka. The amount received when selling these x microwaves is 700x taka. What is the least number of microwaves that must be manufactured and sold so that the net profit is Tk 2400 ?
A 15
B 17
C 19
D 21
The area "where" a "microchip" is manufactured must be the "most" "cleanest" environment possible. "No Error"
A where
B microchip
C "most
D cleanest

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