Coagulant is used __________ filtration.

Question

Coagulant is used __________ filtration.

A. Before

B. After

C. During

Correct Answer :

A. Before

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Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the __________ process.

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Molecular weights of polymers are in the range of

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The type of high refractive index glass used in optical instruments is __________ glass.

A. Pyrex

B. Flint

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Absorption of SO3 in 97% H2SO4 is

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Solvent used for extraction of oil is

A. Hexane

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Solvay process is used for the manufacture of

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The manufacture of Kraft pulp is done by a/an __________ process.

B. Acidic

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Ca(OH)₂ is called

D. Gypsum

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The combustion reaction, C + O₂ = CO₂, is

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Paper grade bamboo contains about __________ percent cellulose.

A. 5

B. 20

C. 40

D. 60

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In the manufacture of viscose rayon, the raw material used industrially is

B. Bamboo

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Hydrochloric acid is also known as

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In sulphate pulp manufacture, the pressure and temperature in the digestor is

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Nitrile rubber is produced by the polymerisation of

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Which is the main reducing agent during production of iron from iron ore in a blast furnace?

A. C

B. CO

C. CO₂

D. H₂

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The main use of HCl is in the

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In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed:

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Sucrose content in cane sugar may be around __________ percent.

A. 50

B. 70

C. 95

D. 80

Discuss this answer

Air used in aerobic fermentation must be sterilized, otherwise the

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Which of the following has sodium bicarbonate as its main constituent?

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Producer gas consists mainly of

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Pick out the wrong statement pertaining to nitric acid.

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Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it

Discuss this answer

Main constituents of natural rubber is

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__________ is not a constituent of gun powder.

A. Carbon

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Deaeration of water in its treatment is necessary, as it

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Resistance to fusion of the refractory under a steady rising temperature condition is called

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__________ acid is the main constituent of cotton seed oil.

A. Acetic

D. Oleic

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Which of the following is the main constituent of the mother liquor produced in salt industry?

Discuss this answer

DDT stands for

Discuss this answer

Answer 1

D. To avoid

Answer 2

A. Mechanical

Answer 3

B. Sulphate/Kraft

Answer 4

C. Sulphite

Answer 5

D. Neutral sulphite semi-chemical

Answer 6

A. 10² - 10²

Answer 7

B. 10⁵ - 10⁹

Answer 8

C. 10² - 10⁷

Answer 9

D. 10⁹ - 10¹¹

Answer 10

C. Crookes

Answer 11

D. None of these

Answer 12

A. Exothermic

Answer 13

B. Endothermic

Answer 14

C. Not possible

Answer 15

D. None of these

Answer 16

B. Methyl ethyl ketone

Answer 17

C. Furfural

Answer 18

D. None of these

Answer 19

A. Caustic soda

Answer 20

B. Soda ash

Answer 21

C. Caustic potash

Answer 22

D. Soda lime

Answer 23

A. Alkaline

Answer 24

C. Neutral

Answer 25

D. None of these

Answer 26

A. Quicklime

Answer 27

B. Slaked lime

Answer 28

C. Limestone

Answer 29

A. Exothermic

Answer 30

B. Endothermic

Answer 31

C. Autocatalytic

Answer 32

D. None of these

Answer 33

A. Eucalyptus wood

Answer 34

C. Bagasse

Answer 35

D. Fine teak wood

Answer 36

A. Oil of vitriol

Answer 37

B. Muriatic acid

Answer 38

C. Strong organic acid

Answer 39

D. Green acid

Answer 40

A. 10 atm., 800 °C

Answer 41

B. 10 atm., 170-180°C

Answer 42

C. 1 atm., 170 - 180°C

Answer 43

D. 1 atm., 800°C

Answer 44

A. Acrylonitrile and butadiene

Answer 45

B. Acrylonitrile and styrene

Answer 46

C. Isobutylene and isoprene

Answer 47

D. None of these

Answer 48

A. Drilling of petroleum wells and pickling of steel sheets

Answer 49

B. Manufacture of cationic detergent

Answer 50

C. Treatment of spent fuel of nuclear reactor

Answer 51

D. None of these

Answer 52

A. Furnace → converter → absorber

Answer 53

B. Furnace → evaporator → absorber

Answer 54

C. Furnace → converter → evaporator

Answer 55

D. Converter → furnace → absorber

Answer 56

A. Recovery of product will be difficult

Answer 57

B. Contamination of pure culture would result

Answer 58

C. Uniformity of product cannot be achieved

Answer 59

D. None of these

Answer 60

A. Baking soda

Answer 61

B. Baking powder

Answer 62

C. Washing soda

Answer 63

D. None of these

Answer 64

A. CO, CO₂ N₂, H₂

Answer 65

B. CO, H₂

Answer 66

C. H₂, CH₄

Answer 67

D. C₂H₂, CO₂, H₂

Answer 68

A. About 90% of nitric acid is manufactured by Ostwald's process

Answer 69

B. It is a strong mono basic acid which reacts with almost all the metals except noble metals

Answer 70

C. Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO2)

Answer 71

D. Arc process of nitric acid manufacture is economical as compared to Ostwald's process

Answer 72

A. Has larger production capacity per unit cell

Answer 73

B. Consumes less power per ton of Cl2 produced

Answer 74

C. Produces high purity (70%) caustic soda directly

Answer 75

D. All (A), (B) and (C)

Answer 76

A. Polystyrene

Answer 77

B. Polyisoprene

Answer 78

C. Polybutadiene

Answer 79

D. Polychlorophrene

Answer 80

B. Charcoal

Answer 81

C. Sulphur

Answer 82

D. Potassium nitrate

Answer 83

A. Minimises its turbidity

Answer 84

B. Helps in controlling its taste and odour

Answer 85

C. Minimises its corrosiveness

Answer 86

D. None of these

Answer 87

A. Spalling

Answer 88

B. Refractoriness

Answer 89

C. Both (A) & (B)

Answer 90

D. Neither (A) nor (B)

Answer 91

B. Linoleic

Answer 92

C. Palmitic

Answer 93

A. Quick lime

Answer 94

B. Glauber's salt

Answer 95

C. Salt petre

Answer 96

D. Bromine

Answer 97

A. Diethyl-diphenyl-trichloromethane

Answer 98

B. Dichloro-diphenyl-trichloromethane

Answer 99

C. diphenyl-dichloro-trichloromethane

Answer 100

D. Dichloro-diphenyl-trichloroethane

Coagulant is used __________ filtration.

Correct Answer :

Show all Chemical Process MCQ

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Also checkout

Coagulant is used __________ filtration.

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the __________ process.

Molecular weights of polymers are in the range of

The type of high refractive index glass used in optical instruments is __________ glass.

Absorption of SO3 in 97% H2SO4 is

Solvent used for extraction of oil is

Solvay process is used for the manufacture of

The manufacture of Kraft pulp is done by a/an __________ process.

Ca(OH)2 is called

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Paper grade bamboo contains about __________ percent cellulose.

In the manufacture of viscose rayon, the raw material used industrially is

Hydrochloric acid is also known as

In sulphate pulp manufacture, the pressure and temperature in the digestor is

Nitrile rubber is produced by the polymerisation of

Which is the main reducing agent during production of iron from iron ore in a blast furnace?

The main use of HCl is in the

In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed:

Sucrose content in cane sugar may be around __________ percent.

Air used in aerobic fermentation must be sterilized, otherwise the

Which of the following has sodium bicarbonate as its main constituent?

Producer gas consists mainly of

Pick out the wrong statement pertaining to nitric acid.

Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it

Main constituents of natural rubber is

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Deaeration of water in its treatment is necessary, as it

Resistance to fusion of the refractory under a steady rising temperature condition is called

__________ acid is the main constituent of cotton seed oil.

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DDT stands for

Also checkout

Ca(OH)₂ is called

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