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