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