Chemical Process Quiz 10
1 / 50
The ideal pulp for the manufacture of paper should have high ______ content?
2 / 50
The catalyst used in shift converter is_____?
3 / 50
The main use of HCl is in the_____?
4 / 50
The basic difference between vegetable oils and fats is in their _____?
5 / 50
The function of gypsum addition during cement making is to__________?
6 / 50
The main product of high temperature carbonisation of coal is_______?
7 / 50
Temperature during hydrogenation of oil should not be more than 200?C, otherwise it will result in________?
8 / 50
The main use of activated carbon in water treatment is to control _____?
9 / 50
The most economical pulp for the production of newsprint would be the _______ pulp?
10 / 50
Sulphuric acid saturated with SO3 is called__________?
11 / 50
The major constituents of glass are______?
12 / 50
The biochemical treatment applied to sewage effluents is a process of___________?
13 / 50
Synthetic glycerine is produced from_____?
14 / 50
Terylene is___________?
15 / 50
Teflon is_____?
16 / 50
Superior quality laboratory apparatus is made of the ______ glass having low thermal co-efficient of expansion & high chemical resistance?
17 / 50
The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to_____?
18 / 50
Styrene-butadiene-rubber (SBR) as compared to natural rubber has_________?
19 / 50
The end bleaching agent used to move last traces of colour bodies from the pulp is ______?
20 / 50
Sulphur addition in soap is done to _______?
21 / 50
The gasification reaction represented by, C + H2O = CO + H2, is a/an __________ reaction?
22 / 50
The most commonly used substance to speed up the sedimentation of sewage is_____?
23 / 50
The basic constituent of vegetable oils is _____?
24 / 50
Sulphur removal by heating of pyrite ore in presence of air is called its ______?
25 / 50
Sucrose is a disaccharide consisting of______?
26 / 50
The drug used in contraceptives is______?
27 / 50
Synthesis gas is a mixture of___________?
28 / 50
Sudden temperature fluctuation does not affect pyrex glass, because of its ___________?
29 / 50
Sugar content in sugarcane on cane basis is about ________ percent by weight ?
30 / 50
The main component of Pyrex glass is_______?
31 / 50
The amount of benzene present in pure Benzol is about ________ percent ?
32 / 50
The combustion reaction, C + O2 = CO2, is___________?
33 / 50
Tall oil obtained as a by-product from the black liquor recovery is_________?
34 / 50
Temporary hardness of water can be removed by___________?
35 / 50
The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by__________?
36 / 50
The difference between saponification value and acid value is______?
37 / 50
The manufacture of Kraft pulp is done by a/an __________ process?
38 / 50
The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is __________?
39 / 50
Systemic insecticides_________?
40 / 50
Sucrose content in the raw juice extracted from sugar cane is about __________ percent?
41 / 50
Sulphuric acid completely saturated with sulphur trioxide is called__________?
42 / 50
The major use of butadiene is______?
43 / 50
The major constituent of black liquor generated during paper manufacture is sodium_____?
44 / 50
The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is _______?
45 / 50
The chamber process is________?
46 / 50
The enzyme which converts starch into the disaccharides maltose is__________?
47 / 50
Sucrose is a___________?
48 / 50
Sulphuric acid is mainly used in the ________ industry ?
49 / 50
The compressive strength of cement should not be less than about 110Kg/cm2 after three days & not less than 170Kg/cm2 after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about _________ cm2/gm?
50 / 50
Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the________?
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