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