Related Questions

Condensation of bisphenol A with phosgene produces __________ which possess very good heat resistance.
A Polyurathane
B Polysulphone
C Polycarbonate
D Polyester
The heat transfer co-efficient in film type condensation is __________ that for dropwise condensation.
A Greater than
B Lower than
C Is same as
D Half
Acetone is produced by catalytic dehydrogenation of
A Phenol
B Naphthalene
C Isopropanol
D Ethyl benzene
Among the many substances manufactured commercially by means of ________ are acetic acid, acetone, butanol, lactic acid and several vitamins.
A Viruses
B Bacteria
C Fungi
D Yeast
Industrial production of chloroform requires acetone and
A Phosgene
B Calcium hypochlorite
C Chlorine
D Ammonium chloride
Which of the following is produced by condensation polymerisation?
A Bakelite
B Polythene
C Poly vinyl chloride
D Polystyrene
Phenol formaldehyde is produced by condensation polymerisation. It is also known as
A Teflon
B Bakelite
C Polyester
D Nylon-66
__________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine.
A Epoxy
B Amino
C Alkyd
D Phenolic
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
_____ the formation of the sun, the planets, and other stars began with the condensation of an interstellar cloud .
A It accepted that
B It is accepted that
C Accepted that
D That is accepted

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