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