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