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.Management Sciences
Category: Chemical Process
Fats as compared to oils have ___________________?
A. More unsaturated glycerides of fatty acids
B. Less unsaturated glycerides of fatty acids
C. Much higher reactivity to oxygen
D. Lower melting point
Pick out the wrong statement ?
A. DDT is manufactured by the condensation of chlorobenzene with chloral at 30°C in presence
of oleum, which is a highly exothermic reaction
B. Chloral is obtained by the chlorination of ethyl alcohol
C. Insecticides acting on the insects through the respiratory system are called fumigants
D. Benzene hexachloride is not a contact insecticide
Catalyst used in the oxidation of benzene to produce Maleic anhydride is ______________________?
A. V2O5
B. Pt
C. Ni
D. Cr
Phenol formaldehyde is produced by condensation polymerisation. It is also known as_____________________?
A. Teflon
B. Bakelite
C. Polyester
D. Nylon-66
Ethanol amine is produced using ammonia and_________________?
A. Ethyl benzene
B. Ethylene oxide
C. Ethanol
D. Ethane
White phosphorous is stored under water, because __________________?
A. It does not react with water
B. It is poisonous
C. Its kindling temperature in dry air is very low
D. It is unstable
Essential oils are usually obtained using__________________?
A. Steam distillation
B. Extractive distillation
C. Solvent extraction
D. Leaching
Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction ?
A. Oxidation of Na+ ions
B. Oxidation of Cl- ions
C. Reduction of Na+ ions
D. Reduction of Cl- ions
Zeolite is a/an___________________?
A. Naturally occuring clay which is capable of exchanging cations
B. Abrasive material
C. Catalyst used in shift conversion
D. None of these
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