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