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