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