Phenol formaldehyde____________________?

A. Employs addition polymerisation
B. Employs condensation polymerisation
C. Is a monomer
D. Is an abrasive material

Phenol formaldehyde is produced by condensation polymerisation. It is also known as_____________________?
A. Teflon B. Bakelite C. Polyester D. Nylon-66...
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...
Phenol formaldehyde resin is used as an adhesive in making__________________?
A. Laminates B. Card boxes C. Furniture D. Books...
Sucrose is a__________________?
A. Monosaccharide B. Disaccharide C. Polysaccharide D. None of these...
Antibiotic____________________?
A. Inhibits/destroys the growth of microorganisms B. Is used as a pain reliever C. Is an antimalarial D. Is an anaesthetic...
Percentage of glycerine present in the spent lye obtained during soap manufacture is about________________?
A. 0.5 B. 5 C. 20 D. 35...
Air used in aerobic fermentation must be sterilized, otherwise the ___________________?
A. Recovery of product will be difficult B. Contamination of pure culture would result C. Uniformity of product cannot be achieved D. None of these...
Frasch process is for______________________?
A. Making oxygen B. Producing helium C. Mining sulphur D. Making nitrogen...
Which of the following is not an antibiotic ?
A. Penicillin B. Streptomycin C. Tetracycline D. Quinine...
Chalcopyrite is the main ore of_________________?
A. Copper B. Lead C. Tin D. Iron...