Metallic soap is ________________ salt of fatty acids ?
(A) Sodium
(B) Potassium
(C) Both sodium & potassium
(D) Aluminium or calcium
DDT stands for___________________?
(A) Diethyl-diphenyl-trichloromethane
(B) Dichloro-diphenyl-trichloromethane
(C) diphenyl-dichloro-trichloromethane
(D) Dichloro-diphenyl-trichloroethane
Solvent extracted oil________________?
(A) Has low free fatty acid content
(B) Is odourless
(C) Has more of unsaturates
(D) None of these
______________ is obtained as a by-product in the manufacture of sodium hydroxide using brine ?
(A) Chlorine
(B) Ammonium chloride
(C) Sodium carbonate
(D) Sodium bi-carbonate
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
Phthalic anhydride is used____________________?
(A) In making PVC
(B) As plasticisers
(C) In insecticides manufacture
(D) For making nylon-6
______________ glass has the lowest co-efficient of thermal expansion and hence is more heat resistant ?
(A) Pyrex
(B) Soda lime
(C) Lead
(D) High silica
Which is the most suitable dye for synthetic fibres ?
(A) Acid dye
(B) Azoic dye
(C) Pigment dye
(D) Mordant dye
Nickel is not used as a catalyst in the____________________?
(A) Fischer-Tropsch process
(B) Shift conversion
(C) Hydrogenation of oil
(D) Ostwald’s process of HNO3 manufacture