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