MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
Quiz
Chemical Engineering
Chemical Process
Quiz 2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Q.1
Which of the following is not responsible for causing permanent hardness of water?
Ca(HCO₃)₂
CaCl₂
MgCl₂
None of these
Q.2
__________ glass is used for the manufacture of optical glass.
Pyrex
Soda
Flint
Crooke's
Q.3
Caprolactum (a raw material for nylon-6 manufacture) is produced from
Phenol
Naphthalene
Benzene
Pyridine
Q.4
In the manufacture of viscose rayon, the raw material used industrially is
Recalyptious wood
Bamboo
Bagasse
Fine teak wood
Q.5
Bromine content in sea water may be around __________ ppm.
70
640
1875
2500
Q.6
Nickel is not used as a catalyst in the
Fischer-Tropsch process
Shift conversion
Hydrogenation of oil
Ostwald's process of HNO₃ manufacture
Q.7
Plaster of Paris is
CaSO₄.½H₂O
Used for setting of broken bones
Both A and B
Same as gypsum
Q.8
Fourdrinier machine is used in the manufacture of
Sugar
Paper
Alcohol from molasses
Phenol formaldehyde
Q.9
Zeolite is used in the
Water treatment
Glass manufacture
Hydrogenation of fatty oil as a catalyst
Development of exposed photographic plate
Q.10
Chloral is used in the manufacture of
DDT
BHC
Parathion
None of these
Q.11
Which is the main reducing agent during production of iron from iron ore in a blast furnace?
C
CO
CO₂
H₂
Q.12
Alum is commercially produced from
Gypsum
Feldspar
Galena
Bauxite
Q.13
Which of the following is not an abrasive material ?
Bakelite
Pumice
Corundum
Carborundum
Q.14
Bromine is used in the preparation of
Fire extinguishing compounds
Fire proofing agents
Dyes and antiknock compounds
All of the above
Q.15
Percentage of uranium in carnotite ore found in Jadugoda (Jharkhand) is about
0.1 to 0.5
1 to 5
5 to 10
15 to 25
Q.16
Laboratory glass wares which reacts with hydroflouric acid, are made of the __________ glass.
Lead
Borosilicate
Soda lime
Alkali silicate
Q.17
Mannheim furnace is used in the manufacture of
Hydrochloric acid
H₂SO₄ by Chamber process
Calcium carbide
Corundum
Q.18
Fourdrinier machine is used in the manufacture of
Nylon-6
Paper
Antibiotics
Sugar
Q.19
Yeast is used in the manufacture of
Pencillin
Antibiotics
Wine
Pasteurised milk
Q.20
Which of the following is a constituent of vinegar?
Around 10% alcohol
Around 1% acetic acid
Both A and B
Neither A nor B
Q.21
The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an __________ detergent.
Cationic
Anionic
Amphoteric
Semi polar
Q.22
Ethanol amine is produced using ammonia and
Ethyl benzene
Ethylene oxide
Ethanol
Ethane
Q.23
Hydrocynic acid (HCN) is used as an insecticide for
Controlling timber degradation by ants
Controlling poultry lice
Potato beetle
Citrus fruits
Q.24
Sodium bisulphite is used for __________ water.
Deaeration
Dechlorination
Both A & B
Neither A nor B
Q.25
__________ is used as a flux in the smelting of copper ore like chalcopyrite.
Coke breeze
Lime powder
Silica/quartz
Dolomite
Q.26
A unit operation is exemplified by the process of
Reduction
Desorption
Nitration
Combustion
Q.27
Sucrose content in cane sugar may be around __________ percent.
50
70
80
95
Q.28
Percentage of alcohol in beer may be around __________ percent.
2-8
18-23
27-32
1-4
Q.29
Which of the following processes is absent in glass manufacturing process?
Sintering
Annealing
Shaping or forming
Melting
Q.30
A good quality coal should have
Low fusion point of ash
High ash content
High sulphur content
None of these
Q.31
Which of the following processes does not produce Cl₂ as a co-product during the manufacture of caustic soda?
Diaphragm electrolytic cell process
Mercury electrolytic cell process
Lime-soda process
None of these
Q.32
__________ acid is an unsaturated fatty acid.
Palmitic
Oleic
Stearic
Oxalic
Q.33
Carbon content of pitch (residue of coal tar distillation) is around __________ percent.
70
55
80
94
Q.34
The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is
Dilute H₂SO₄
Oleum
Ultraviolet light
None of these
Q.35
Which of the following is not produced commercially from sea water?
Magnesium & potassium compounds
Common salt
Bromine
Iodine
Q.36
Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of
Calcium sulphate
Sodium chloride
Sodium sulphate
Magnesium chloride
Q.37
Which of the following is an ore of iron?
Galena
Chalcopyrite
Hematite
Bauxite
Q.38
Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because
Its calorific value is very less
Tar neutralises the residual acids present in pitch
It reduces viscosity and imparts fluidity for its transportation through pipelines at economic pressure drop
All of the above
Q.39
Aryl benzene sulphonate (ABS) is a
Detergent
Plasticiser for unsaturated polyester
Starting material for the synthesis of glycerine
Coating ingredient for photographic film
Q.40
The ideal pulp for the manufacture of paper should have high __________ content.
Cellulose
Lignin
Both A & B
None of these
Q.41
__________ glass has the lowest co-efficient of thermal expansion and hence is more heat resistant.
Pyrex
Soda lime
Lead
High silica
Q.42
Dacron (or terylene) fibres as compared to nylon's fibres have
Better heat & acid resistant properties
Poorer resistance to alkalis
Poorer dyeability
All of the above
Q.43
In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst
Gives higher conversion efficiency
Has a longer life and is not poisoned by arsenic
Handles lower SO₂ content gas (7 -10% SO₂), thus increasing the capital cost of the plant
All of the above
Q.44
Paper grade bamboo contains about __________ percent cellulose.
5
20
40
60
Q.45
Production of one ton of cement requires about __________ tons of limestone.
0.6
1.2
2.2
3.8
Q.46
Transportation of 35% oleum during winter suffers from the problem of freezing, which can be overcome by the addition of small quantity of
Nitric acid
Hydrochloric acid
Methyl alcohol
Formic acid
Q.47
Oxygen is produced by fractionation of air using __________ process.
Linde's
Claude's
Either A or B
None of these
Q.48
A mixture of chlorine & sodium bromide acts as a/an
Insecticides
Analgesic drug
Fire retardant
Hydrogenation catalyst
Q.49
__________ are used as corrosion inhibitor for iron & steel in aqueous solutions.
Phosphates
Chromates
Sulphates
Bi-carbonates
Q.50
Dichloro diphenyl __________ is the full form of DDT (an insecticide).
Tetrachloroethane
Trichloroethane
Tetrachloromethane
Trichloromethane
0 h : 0 m : 1 s
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Report Question
×
What's an issue?
Question is wrong
Answer is wrong
Other Reason
Want to elaborate a bit more? (optional)
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page