Chemical Process Quiz 9
1 / 50
Saponification value/number of an oil or fat is a measure of its _____?
2 / 50
Sea water contains about ________ ppm of bromine ?
3 / 50
Purity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about ______ ?C ?
4 / 50
Salt cake is chemically represented by__________?
5 / 50
Reaction of ethylene glycol and dimethyl terephthalate (DMT) produces _________?
6 / 50
Raw materials used for producing _________ cement does not contain iron oxide?
7 / 50
Soaps remove dirt by ______?
8 / 50
Rosin soap is added during paper manufacture to______?
9 / 50
Shrinkage volume in cement setting does not depend upon the _______?
10 / 50
Solvent used for extraction of oil is_______?
11 / 50
Sodium carbonate (soda ash) is not used in the manufacture of_____?
12 / 50
Pure rectified spirit contains about __________ percent alcohol?
13 / 50
Sodium salt of higher molecular weight fatty acid is termed as the ________ soap?
14 / 50
SO2 is bubbled through hot sugar cane juice to________?
15 / 50
Solvay process as compared to dual process (i.e. modified Solvay process) ?
16 / 50
Starting raw material for the manufacture of alum is__________?
17 / 50
Sizing material is incorporated in paper to_____?
18 / 50
Silicon carbide is a/an________?
19 / 50
Refractory bricks having high thermal conductivity is desirable, when it is to be used in the __________?
20 / 50
Silicone is a/an _____?
21 / 50
Refractory bricks burnt at very high temperature have got_______?
22 / 50
Sea weeds are an important source of__________?
23 / 50
Sand and _______ is fused at 1300?C, to produce sodium silicate ?
24 / 50
Reaction of an alcohol with organic acid is called the _________ reaction?
25 / 50
Removal of dirt/soil by soaps or detergent does not involve the ________ of soil ?
26 / 50
Starting material for the production of styrene butadiene rubber (SBR) is_________?
27 / 50
Styrene is produced from ethyl benzene by the process of___________?
28 / 50
Salt is added in the kettle during soap manufacture to separate _____?
29 / 50
Styrene is produced from ethyl benzene by the process of_________?
30 / 50
Solvent extracted oil_________?
31 / 50
Riboflavin is a/an______?
32 / 50
Separation of fresh water from sea water can be done by the ________ operation ?
33 / 50
RDX (an explosive), which is more sensitive but less toxic than TNT, is chemically______?
34 / 50
Rotary kiln is not involved in the production of_____?
35 / 50
Roasting of metallurgical ores is done mainly to _____?
36 / 50
Resistance to fusion of the refractory under a steady rising temperature condition is called ______ ?
37 / 50
Rancidity of the fatty oil can be reduced by its___________?
38 / 50
Stereospecific agents are exemplified by_________?
39 / 50
Sodium chloride content in sea water is about ________ gms/liter?
40 / 50
Saponification number of an oil or fat______?
41 / 50
Reaction of calcium carbide with water produces a gas, which is used__________?
42 / 50
Shaving soaps are______?
43 / 50
Reverse osmosis is normally used for the________?
44 / 50
Soap cannot be used with hard water, because __________?
45 / 50
Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate ?
46 / 50
Styrene (a monomer for the production of polystyrene) is commercially produced by ______?
47 / 50
Starting raw material for the manufacture of Maleic anhydride is_____?
48 / 50
Setting of plaster of Paris is accompanied with_____?
49 / 50
Salt is the basic raw material for the manufacture of______?
50 / 50
Solvay process is used for the manufacture of______?
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