Phenol is mainly used____________________?
A. To produce benzene
B. To produce phenol formaldehyde
C. To produce polyester resin
D. As a plasticiser for unsaturated polyester
A. To produce benzene
B. To produce phenol formaldehyde
C. To produce polyester resin
D. As a plasticiser for unsaturated polyester
A. Plastic
B. Monoclinic
C. Rhombic
D. Flowers of sulphur
A. Saponification
B. Esterification
C. Neutralisation
D. Acidification
A. Are cross-linked molecules
B. Soften on application of heat
C. Are solvent soluble
D. None of these
A. Lime, clay and soda ash
B. Sand, lime and soda ash
C. Silica, alumina and clay
D. Silica, alumina and soda ash
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
A. It is very corrosive at elevated temperature
B. Its viscosity is not reduced on further heating (hence pressure drop on pumg it, cannot be
further reduced)
C. It decomposes on further increasing the temperature
D. None of these