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