The yield of tar from high temperature carbonisation of dry coal is about __________ percent.

Question

The yield of tar from high temperature carbonisation of dry coal is about __________ percent.

A. 3

B. 12

C. 22

D. 0.3

Correct Answer :

A. 3

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Zeolite is a/an

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D. Ethane

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Terylene is

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Reverse osmosis is normally used for the

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Which of the following is not present in bagasse fibre?

B. Lignin

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Synthetic glycerine is produced from

B. Phenol

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Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is

A. 0.14

B. 0.34

C. 0.94

D. 1.4

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Chemical name of aspirin (an analgesic drug) is

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High purity nitrogen is used in

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Lindane is

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Enamels

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Presence of carbonaceous matter in the sewage

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Pig iron is produced by blast furnaces in India using mostly the iron ore named

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Oxygen is produced by fractionation of air using __________ process.

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Impurities present in brine is normally removed by treatment with

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Cement mainly contains

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Fourdrinier machine is used in the manufacture of

B. Paper

D. Sugar

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DDT should not be allowed to come in contact with iron (during its manufacture) to

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Zeolite is used in the

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Bakelite is chemically known as

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Which of the following is an organometallic compound?

D. Cumene

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Dry ice (solidified CO₂) is used for the

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Answer 1

A. Rhombic sulphur

Answer 2

B. Monoclinic sulphur

Answer 3

C. Plastic sulphur

Answer 4

D. Milk of sulphur

Answer 5

A. Strongly caking coal should not be used in the Lurgi gasifier

Answer 6

B. Acetylene gas cannot be used for illumination purpose

Answer 7

C. Water gas is called blue gas because of the color of the flame, when it is burnt

Answer 8

D. Gaseous fuels require less percentage of excess air for combustion as compared to liquid fuels

Answer 9

A. Naturally occuring clay which is capable of exchanging cations

Answer 10

B. Abrasive material

Answer 11

C. Catalyst used in shift conversion

Answer 12

D. None of these

Answer 13

A. Magnetohydrodynamic (MHD) generator

Answer 14

B. Fuel cell

Answer 15

C. Fast breeder reactor

Answer 16

D. None of these

Answer 17

A. Ethyl alcohol

Answer 18

B. Ethylene

Answer 19

C. Both (A) & (B)

Answer 20

D. Neither (A) nor (B)

Answer 21

A. SO₃ gas is sparingly soluble in water

Answer 22

B. Water forms an acid mist, which is difficult to absorb

Answer 23

C. The purity of acid is affected

Answer 24

D. Scale formation in the absorber is to be avoided

Answer 25

A. Ethyl benzene

Answer 26

B. Ethylene oxide

Answer 27

C. Ethanol

Answer 28

A. Ca(HCO₃)₂

Answer 29

B. CaCl₂

Answer 30

C. MgCl₂

Answer 31

D. None of these

Answer 32

A. Same as Dacron

Answer 33

B. A polyester

Answer 34

C. Both (A) & (B)

Answer 35

D. Neither (A) nor (B)

Answer 36

A. Separation of isotopes of uranium from gaseous uranium hexafluoride

Answer 37

B. Separation of helium from natural gas

Answer 38

C. Desalination of brackish water to produce potable (drinking) water

Answer 39

D. Purification of oxygen

Answer 40

A. Absorption of SO₃ in 98% H₂SO₄

Answer 41

B. C + H₂O = CO + H₂

Answer 42

C. Thermal dissociation of iron pyrites

Answer 43

D. Both (B) and (C)

Answer 44

A. Cellulose

Answer 45

C. Pentogens

Answer 46

D. None of these

Answer 47

A. Toluene

Answer 48

C. Propylene

Answer 49

D. Naphthalene

Answer 50

A. Addition of alum (a coagulant)

Answer 51

B. Boiling

Answer 52

C. Filtration (through gravity sand filter)

Answer 53

D. Addition of lime

Answer 54

A. Acetylsalicylic acid

Answer 55

B. Nictonic acid

Answer 56

C. Calcium acetate

Answer 57

D. Methyl salicylate

Answer 58

A. Making protective gas (95% N2 + 5% H2) for annealing of cold rolled steel strip coils

Answer 59

B. Fire fighting purposes

Answer 60

C. Both (A) & (B)

Answer 61

D. Neither (A) nor (B)

Answer 62

A. Not a fumigant

Answer 63

B. BHC (Benzene Hexachloride) containing 99% γ-isomer

Answer 64

C. A by-product of BHC manufacture

Answer 65

D. Both (B) and (C)

Answer 66

A. Give good glossy finish

Answer 67

B. Are same as varnish

Answer 68

C. Are prepared from non-drying oil

Answer 69

D. Do not contain pigment

Answer 70

A. Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures

Answer 71

B. Reduces sulphate ions to sulphides causing obnoxious smell

Answer 72

C. Increases the quantity of chlorine used for its purification

Answer 73

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

Answer 74

A. Hematite

Answer 75

B. Magnetite

Answer 76

C. Siderite

Answer 77

D. Chalcopyrite

Answer 78

A. Linde's

Answer 79

B. Claude's

Answer 80

C. Either (A) or (B)

Answer 81

D. None of these

Answer 82

A. NH₃ and CO₂

Answer 83

B. Lime and soda ash

Answer 84

C. Lime, ammonia and carbon

Answer 85

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

Answer 86

A. CaO, SiO₂, Al₂O₃

Answer 87

B. MgO, SiO₂, K₂O

Answer 88

C. Al₂O₃, MgO, Fe₂O₃

Answer 89

D. CaO, MgO, K₂O

Answer 90

A. Nylon-6

Answer 91

C. Antibiotics

Answer 92

A. Avoid its decomposition

Answer 93

B. Prevent sulphonation of the monochlorobenzene by the acid catalyst

Answer 94

C. Achieve non-hygroscopic property

Answer 95

D. None of these

Answer 96

A. Water treatment

Answer 97

B. Glass manufacture

Answer 98

C. Hydrogenation of fatty oil as a catalyst

Answer 99

D. Development of exposed photographic plate

Answer 100

A. Polyvinyl chloride (PVC)

Answer 101

B. Polybutadiene

Answer 102

C. Phenol formaldehyde

Answer 103

D. Polyurethane

Answer 104

A. Isopropyl alcohol

Answer 105

B. Tetra-ethyl lead

Answer 106

C. Zeolite

Answer 107

A. Storage & shipment of frozen foods and ice-creams

Answer 108

B. Liquefaction of permanent gases

Answer 109

C. Liquefaction of natural gas

Answer 110

D. None of these

The yield of tar from high temperature carbonisation of dry coal is about __________ percent.

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Which allotrope of sulphur is insoluble in carbon disulphide?

Pick out the wrong statement.

Zeolite is a/an

Direct conversion of chemical energy into electrical energy is done in a

Starting material for the production of styrene butadiene rubber (SBR) is

In contact process, SO₃ is absorbed in 97% H₂SO₄ and not in water, because

Ethanol amine is produced using ammonia and

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Terylene is

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Oxygen is produced by fractionation of air using __________ process.

Impurities present in brine is normally removed by treatment with

Cement mainly contains

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Zeolite is used in the

Bakelite is chemically known as

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Also checkout

The yield of tar from high temperature carbonisation of dry coal is about __________ percent.

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Which allotrope of sulphur is insoluble in carbon disulphide?

Pick out the wrong statement.

Zeolite is a/an

Direct conversion of chemical energy into electrical energy is done in a

Starting material for the production of styrene butadiene rubber (SBR) is

In contact process, SO3 is absorbed in 97% H2SO4 and not in water, because

Ethanol amine is produced using ammonia and

Which of the following is not responsible for causing permanent hardness of water?

Terylene is

Reverse osmosis is normally used for the

Which of the following is an endothermic reaction?

Which of the following is not present in bagasse fibre?

Synthetic glycerine is produced from

Argon is the third largest constituent of air (followed by N2 & O2). Its percentage by volume in air is

Temporary hardness of water can be removed by

Chemical name of aspirin (an analgesic drug) is

High purity nitrogen is used in

Lindane is

Enamels

Presence of carbonaceous matter in the sewage

Pig iron is produced by blast furnaces in India using mostly the iron ore named

Oxygen is produced by fractionation of air using __________ process.

Impurities present in brine is normally removed by treatment with

Cement mainly contains

Fourdrinier machine is used in the manufacture of

DDT should not be allowed to come in contact with iron (during its manufacture) to

Zeolite is used in the

Bakelite is chemically known as

Which of the following is an organometallic compound?

Dry ice (solidified CO2) is used for the

Also checkout

In contact process, SO₃ is absorbed in 97% H₂SO₄ and not in water, because

Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is

Dry ice (solidified CO₂) is used for the