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