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