Chemical Process Quiz 11
1 / 50
Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is _____ ?C?
2 / 50
Trinitro-toluene (TNT) is __________ ?
3 / 50
The process used for the manufacture of ethyl alcohol from molasses is__________?
4 / 50
Washing soda is chemically represented by __________?
5 / 50
The most stable allotropic form of phosphorous is the __________ phosphorous?
6 / 50
The purpose of tanning in leather industry is to______?
7 / 50
Transportation of 35% oleum during winter suffers from the problem of freezing, which can be overcome by the addition of small quantity of_______?
8 / 50
The purpose of adding Na2CO3 to water of low alkalinity is to___________?
9 / 50
Which glass is usually used in optical work ?
10 / 50
The product obtained on mixing calcium oxide with water is called ___________?
11 / 50
Viscose rayon is chemically_____?
12 / 50
Triple superphosphate is manufactured by reacting ______?
13 / 50
The temperature in the calcium carbide furnace is ________ ?C ?
14 / 50
What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell ?
15 / 50
Varnish does not contain______?
16 / 50
Which is a high grade pulp ?
17 / 50
Vanillin is a type of______?
18 / 50
Thermal pyrolysis of ethylene dichloride produces_____?
19 / 50
Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene ?
20 / 50
Transparent soaps (e.g. Pears) are______?
21 / 50
Which is the most efficient absorbent for SO3 out of the following ?
22 / 50
Thermosetting plastic materials______?
23 / 50
Titanium dioxide is a/an _____ colour pigment?
24 / 50
Ultimate analysis of coal determines its _________ content?
25 / 50
Which form of sulphur is the most stable at room temperature ?
26 / 50
Very fine suspended and colloidal impurities are removed from water by a process called_____?
27 / 50
Wet chlorine gas produced during electrolysis of brine is dehydrated by___________?
28 / 50
The type of high refractive index glass used in optical instruments is ______ glass?
29 / 50
Wax is a_____?
30 / 50
Trinitrotoluene (TNT), an explosive, is made by the nitration of ______?
31 / 50
Which allotrope of sulphur is insoluble in carbon disulphide ?
32 / 50
The terminology ?BTX? used in coal tar distillation industry refers to_____?
33 / 50
Thermoplastic materials_______?
34 / 50
Varnish does not contain________?
35 / 50
The process involved in converting rubber into a thin sheet or coating it on fabric is called _____?
36 / 50
The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an _______ detergent ?
37 / 50
Type of glass used in optical work is the _____ glass?
38 / 50
Viscose rayon is___________?
39 / 50
The yield of tar from high temperature carbonisation of dry coal is about ________ percent?
40 / 50
Vulcanisation of rubber______?
41 / 50
Vinyl chloride (CH2 = CH.Cl) is produced by the thermal pyrolysis of ethylene dichloride at a pressure & temperature of ___________?
42 / 50
Thermosetting materials ________?
43 / 50
The most widely used coagulant for removing suspended impurities from water is___________?
44 / 50
Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as ______ oil?
45 / 50
The most reactive allotropic form of phosphorus is ___________ phosphorus?
46 / 50
Thorium is mainly used ________?
47 / 50
Use of water having dissolved oxygen in boilers promotes_____?
48 / 50
Which is the main reducing agent during production of iron from iron ore in a blast furnace ?
49 / 50
Unsaturated oils compared to saturated oils have_____?
50 / 50
Use of chlorine in the treatment of sewage__________?
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