Which of the following is an unsaturated fatty acid? Stearic acid Lauric acid Oleic acid Palmitic acid TRUE ANSWER : ? YOUR ANSWER : ?
Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the __________ process. Mechanical Sulphate/kraft Neutral sulphite semi-chemical Sulphite TRUE ANSWER : ? YOUR ANSWER : ?
Separation of fresh water from sea water can be done by the __________ operation. Absorption Reverse osmosis Osmosis Adsorption TRUE ANSWER : ? YOUR ANSWER : ?
Main constituents of natural rubber is Polyisoprene Polystyrene Polychloroprene Polybutadiene TRUE ANSWER : ? YOUR ANSWER : ?
Salt is added in the kettle during soap manufacture to separate The unsaponified fat from soap Glycerine from lye The metallic soap Soap from lye TRUE ANSWER : ? YOUR ANSWER : ?
Flexible foam (for mattresses) is usually made of Silicone Polyurethanes Polyamides PVC TRUE ANSWER : ? YOUR ANSWER : ?
Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale. Iron Vanadium Alumina Nickel TRUE ANSWER : ? YOUR ANSWER : ?
Ultimate analysis of coal determines its __________ content. Carbon, hydrogen, nitrogen & sulphur Carbon, sulphur, volatile matter & ash Carbon, ash, sulphur & nitrogen Carbon, volatile matter, ash & moisture TRUE ANSWER : ? YOUR ANSWER : ?
Black liquor is converted into white liquor by Selective liquid extraction Multi-effect evaporation only Evaporation and burning the concentrate followed by causticisation of products Extractive distillation TRUE ANSWER : ? YOUR ANSWER : ?
Gun powder, which is an explosive comprises of charcoal, sulphur and Salt petre Dynamite Glycerene Nitro glycerene TRUE ANSWER : ? YOUR ANSWER : ?