Chemical Process Quiz 7
1 / 50
Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the ______ process?
2 / 50
Oils are partially hydrogenated (not fully) to manufacture Vanaspati , because fully saturated solidified oils ?
3 / 50
Percentage of glycerine present in the spent lye obtained during soap manufacture is about_________?
4 / 50
Naphthols are derivatives of_________?
5 / 50
Nylon-6 is manufactured from ________ ?
6 / 50
Nitrogen is an essential component of ______?
7 / 50
Nitric acid is not used in the manufacture of________?
8 / 50
Neoprene is chemically known as_____?
9 / 50
Oils and fats are converted to soap in a process called __________?
10 / 50
Penicillin is separated from fermented broth by ______?
11 / 50
Nylon-66 is manufactured from______?
12 / 50
Phenol formaldehyde resin is used as an adhesive in making___________?
13 / 50
Permanent hardness of water can be removed by__________?
14 / 50
Nickel is not used as a catalyst in the______?
15 / 50
Nitro-glycerine absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as controlled explosive called dynamite. The raw material used for its manufacture are glycerine, nitric acid and_____?
16 / 50
Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about _______ ?C ?
17 / 50
Permanent hardness of water can be removed by______?
18 / 50
Nickel is not used as a catalyst in the ___________ reaction ?
19 / 50
Oxidation of ortho-xylene in presence of _______ catalyst is done to produce phthalic anhydride on commercial scale ?
20 / 50
Oil produced by solvent extraction_________?
21 / 50
Neoprene is the trade name of_____?
22 / 50
Percentage of alcohol in beer may be around ________ percent?
23 / 50
Paper pulp produced by Kraft/sulphate process is___________ ?
24 / 50
Nicotine is_____?
25 / 50
Permanent hardness of water can be removed by_____?
26 / 50
Nitrile rubber is produced by the polymerisation of___________?
27 / 50
Phenol is mainly used______?
28 / 50
One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to__________?
29 / 50
Oils are partially hydrogenated (not fully) to manufacture Vanaspati, because fully saturated solidified oils_________?
30 / 50
Phosphate rock is a raw material for the manufacture of______?
31 / 50
Ordinary glass is not a/an__________?
32 / 50
Oleum produces fumes of_______?
33 / 50
Na2CO3 is called __________?
34 / 50
Nylon-6 is a___________?
35 / 50
Phenol formaldehyde is produced by condensation polymerisation. It is also known as_______?
36 / 50
Phenol formaldehyde______?
37 / 50
Naphthalene is removed from coke oven gas by __________?
38 / 50
Phenolic antiseptics are added in the ___________ soap?
39 / 50
P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as______?
40 / 50
Oxidation of SO2 to SO3 is favoured by________?
41 / 50
Pasteurisation of milk means________?
42 / 50
Paper grade bamboo contains about ________ percent cellulose ?
43 / 50
Nylon-66 is so named because the______?
44 / 50
Oxygen is produced by fractionation of air using ______ process?
45 / 50
Ore concentration by froth floatation utilises the _______ of ore particles ?
46 / 50
Penicillin, an antibiotic drug was discovered by___________?
47 / 50
Penicillin is made employing ________ fermentation process?
48 / 50
Nylon-6 as compared to Nylon-66 is having higher_____?
49 / 50
Percentage of uranium in Carnotite ore found in Jadugoda (Jharkhand) is about _____?
50 / 50
Neoprene is a___________?
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