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