Chemical Process Technology Online Computer Test - Set 17 - ObjectiveBooks
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Chemical Process Technology Online Computer Test - Set 17

Practice Test: Question Set - 17


1. Metallic soap is __________ salt of fatty acids.
    (A) Sodium
    (B) Potassium
    (C) Both sodium & potassium
    (D) Aluminium or calcium

2. Neon gas is
    (A) Flammable in nature
    (B) Used in color discharge tube
    (C) Filled in lamps having tungsten filament
    (D) All (a), (b) and (c)

3. DDT stands for
    (A) Diethyl-diphenyl-trichloromethane
    (B) Dichloro-diphenyl-trichloromethane
    (C) Diphenyl-dichloro-trichloromethane
    (D) Dichloro-diphenyl-trichloroethane

4. Which of the following contains least amount of N2?
    (A) Coke oven gas
    (B) Blast furnace gas
    (C) Producer gas
    (D) Water gas (blue gas)

5. Fish contains about __________ percent oil.
    (A) 5
    (B) 10
    (C) 20
    (D) 35

6. Oxidation of SO2 to SO3 is favored by
    (A) Low temperature and low pressure
    (B) Low temperature and high pressure
    (C) High temperature and low pressure
    (D) High temperature and high pressure

7. Solvent extracted oil
    (A) Has low free fatty acid content
    (B) Is odourless
    (C) Has more of unsaturates
    (D) None of these

8. Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.
    (A) 15-30
    (B) 90-100
    (C) 250-300
    (D) < 0

9. __________ 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

10. Paper pulp produced by Kraft/sulphate process is
    (A) Bleached easily
    (B) Dull white in color
    (C) Strong fibrous
    (D) Dark colored

11. Phenol is mainly used
    (A) To produce benzene
    (B) To produce phenol formaldehyde
    (C) To produce polyester resin
    (D) As a plasticizer for unsaturated polyester

12. 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

13. Phthalic anhydride is used
    (A) In making PVC
    (B) As plasticizers
    (C) In insecticides manufacture
    (D) For making nylon-6

14. Styrene is produced from ethyl benzene by the process of
    (A) Dehydrogenation
    (B) Oxidation
    (C) Alkylation
    (D) Dehydration

15. __________ 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

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