Chemical Process Quiz 4
1 / 50
Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an?
2 / 50
Enzymes are organic catalysts used in the ______ reactions ?
3 / 50
Favourable conditions for the liquefaction of gases in general are _______?
4 / 50
Diaphragm electrolytic cell as compared to mercury electrolytic cell_______?
5 / 50
Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at ______ ?C ?
6 / 50
Function of thinner in a paint is to ________ ?
7 / 50
Fat splitting catalyst is___________?
8 / 50
Dry ice (solidified CO2) is used for the_____?
9 / 50
Extraction of __________ employs an electrolytic process ?
10 / 50
During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160?C, as_________?
11 / 50
Dehydrogenation of Isopropanol produces ______?
12 / 50
Enzymes are__________?
13 / 50
Electric bulbs are made of ________ glass ?
14 / 50
Fluorescent dyes are added in detergents to___________?
15 / 50
Function of sodium thiosulphate (hypo) in development of photographic film/plate is to_______?
16 / 50
Flash point of most vegetable oils is about ________ ?C ?
17 / 50
Frasch process is for________?
18 / 50
Fourdrinier machine is used in the manufacture of _____?
19 / 50
Flexible foam (for mattresses) is usually made of_______?
20 / 50
Detergent is produced by the sulphonation of dodecyl benzene, which is an _________ reaction?
21 / 50
Digestion of wood-base materials (for manufacture of pulp) is done to ___________?
22 / 50
Epoxy resin___________?
23 / 50
Ethyl alcohol cannot be produced__________?
24 / 50
Flux addition during smelting of ore is done to_____?
25 / 50
Electro deposition of metals i.e. electroplating is never done on_______?
26 / 50
Esterification reaction produces __________?
27 / 50
Finely ground calcium aluminate & silicate is a/an ______?
28 / 50
Fat dispersed in water is exemplified by___________?
29 / 50
Fumigant insecticides_____?
30 / 50
Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at ___________?
31 / 50
Fermentator temperature during production of alcohol from molasses is around _______ ?C?
32 / 50
Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of ______?
33 / 50
Ethanol amine is produced using ammonia and__________?
34 / 50
Free alkali in a toilet soap is ________ that in a laundry shop ?
35 / 50
Dehydrogenation of ethyl benzene produces ___________ ?
36 / 50
Esterification reaction_____?
37 / 50
Dichloro diphenyl _________ is the full form of DDT (an insecticide) ?
38 / 50
Fermentation is adversely affected by the______?
39 / 50
Fatty material used in soap making is _________?
40 / 50
Dense soda ash used in the manufacture of glass, is chemically represented by___________?
41 / 50
Fish contains about ________ percent oil ?
42 / 50
Drinking (potable) water treatment does not involve ___________?
43 / 50
During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to___________?
44 / 50
Fusel oil is a/an__________?
45 / 50
Essential oils are usually obtained using___________?
46 / 50
Fusion of bauxite and _________ produces high alumina cement?
47 / 50
Fermentation of molasses to produce ethyl alcohol is done at _________ ?C?
48 / 50
Enamels________?
49 / 50
Fats as compared to oils have _____?
50 / 50
Economics of ?Solvay Process? depends upon the efficiency of ___________?
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