The main product of high temperature carbonisation of coal is

Question

The main product of high temperature carbonisation of coal is

A. Coke

C. Tar

D. Phenol

Correct Answer :

A. Coke

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The difference between saponification value and acid value is

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Cement setting under water employs a/an __________ process.

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Poly Vinyl Chloride (P.V.C.) is a __________ material.

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Dacron is a

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More than 100 percent of __________ is present in oleum.

A. SO₃

D. SO₂

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Molecular weights of polymers are in the range of

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Which of the following is a constituent of coffee?

C. Calgon

D. Lignin

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Most commonly used rubber vulcanising agent is

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In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the

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The purpose of tanning in leather industry is to

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Neon gas is

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In the Lurgi coal gasifier

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High acid value of an oil or fat is an indication of

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Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale.

A. Nickel

D. Iron

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Main use of hydrazine is

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The catalyst used in the production of elemental sulphur from H₂S (by oxidation-reduction) is

D. Nickel

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Zeolite is a/an

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

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Chrome tanning and vegetable tanning are done for

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Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass.

C. Copper

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Low purity oxygen is used for

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Consider the production of ammonia from methene and air as raw materials. The catalysts used are:
(i) for steam reforming of methane and
(ii) for ammonia synthesis.

Discuss this answer

Process conditions in fermentator used for production of penicillin is

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Phenolic antiseptics are added in the __________ soap.

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Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc?

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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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Chalcopyrite is the main ore of

A. Copper

B. Lead

C. Tin

D. Iron

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Deacon's method is used for the manufacture of

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Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction?

Discuss this answer

Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?

Discuss this answer

Answer 1

B. Ammonia

Answer 2

A. Called ester value

Answer 3

B. Always negative

Answer 4

C. Constant for all fatty oils

Answer 5

D. None of these

Answer 6

A. Hydration

Answer 7

B. Decomposition

Answer 8

C. Oxidation

Answer 9

D. Reduction

Answer 10

A. Thermosetting

Answer 11

B. Thermoplastic

Answer 12

C. Fibrous

Answer 13

D. Chemically active

Answer 14

A. Condensation product of Hexamethylene diamine and adipic acid

Answer 15

B. Thermosetting material

Answer 16

C. Condensation product of dimethyl terephthalate and ethylene glycol

Answer 17

D. None of these

Answer 18

B. H₂SO₄

Answer 19

C. H₂SO₃

Answer 20

A. 10² - 10²

Answer 21

B. 10⁵ - 10⁹

Answer 22

C. 10² - 10⁷

Answer 23

D. 10⁹ - 10¹¹

Answer 24

A. Caffeine

Answer 25

B. Nicotine

Answer 26

A. Sulphur

Answer 27

B. Bromine

Answer 28

C. Platinum

Answer 29

D. Alumina

Answer 30

A. Diamine and the ring

Answer 31

B. Dibasic acid and the ring

Answer 32

C. Diamine and the dibasic acid

Answer 33

D. None of these

Answer 34

A. Stiffen the leather

Answer 35

B. Smoothen the leather

Answer 36

C. Make it flexible

Answer 37

D. Impart water resistance

Answer 38

A. Flammable in nature

Answer 39

B. Used in color discharge tube

Answer 40

C. Filled in lamps having tungsten filament

Answer 41

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

Answer 42

A. Coking coals cannot be used

Answer 43

B. Low carbon conversion efficiency is achieved

Answer 44

C. Entrainment of solids is higher

Answer 45

D. Large quantity of coal can be processed

Answer 46

A. Storage under improper conditions

Answer 47

B. Absence of unsaturation

Answer 48

C. Its smaller molecular weight

Answer 49

D. None of these

Answer 50

B. Vanadium

Answer 51

C. Alumina

Answer 52

A. As a rocket fuel

Answer 53

B. In water treatment

Answer 54

C. As a disinfectant

Answer 55

D. As fire retardant

Answer 56

A. Alumina

Answer 57

B. Silica gel

Answer 58

C. Platinum

Answer 59

A. Naturally occuring clay which is capable of exchanging cations

Answer 60

B. Abrasive material

Answer 61

C. Catalyst used in shift conversion

Answer 62

D. None of these

Answer 63

A. SO₃ gas is sparingly soluble in water

Answer 64

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

Answer 65

C. The purity of acid is affected

Answer 66

D. Scale formation in the absorber is to be avoided

Answer 67

A. Light & heavy leather respectively

Answer 68

B. Heavy & light leather respectively

Answer 69

C. Both light & heavy leather

Answer 70

D. Neither light nor heavy leather

Answer 71

A. Chromium

Answer 72

B. Arsenic

Answer 73

D. Manganese

Answer 74

A. L.D. steel making

Answer 75

B. Cutting and welding of metals

Answer 76

C. Medicinal purposes

Answer 77

D. Chemical oxidation processes

Answer 78

A. (i) - Ni/Al₂O₃; (ii) - Cu - ZnO/Al₂O₃

Answer 79

B. (i) - Fe/Al₂O₃; (ii) - Cu - ZnO/Al₂O₃

Answer 80

C. (i) - Ni/Al₂O₃; (ii) - Fe/Al₂O₃

Answer 81

D. (i) - Fe/Al₂O₃; (ii) - Ni/Al₂O₃

Answer 82

A. 25°C, 2 atm

Answer 83

B. 50°C, l0 atm

Answer 84

C. 30°C, 200 mm Hg (absolute)

Answer 85

D. 90°C, 45 atm

Answer 86

A. Shaving

Answer 87

B. Medicated

Answer 88

C. Metallic

Answer 89

D. Transparent

Answer 90

A. Sodium silicate

Answer 91

B. Sodium borate

Answer 92

C. Sodium tripolyphosphate (STPP)

Answer 93

D. Caustic soda

Answer 94

C. Crookes

Answer 95

D. None of these

Answer 96

A. Glauber's salt

Answer 97

B. Common salt

Answer 98

C. Chlorine

Answer 99

D. Graphite electrode

Answer 100

A. Oxidation of Na⁺ ions

Answer 101

B. Oxidation of Cl^- ions

Answer 102

C. Reduction of Na⁺ ions

Answer 103

D. Reduction of Cl^- ions

Answer 104

A. Xanthates

Answer 105

B. Stearic acid

Answer 106

C. Calcium & aluminium stearate

Answer 107

D. Formic acid

The main product of high temperature carbonisation of coal is

Correct Answer :

Show all Chemical Process MCQ

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The main product of high temperature carbonisation of coal is

Correct Answer :

Show all Chemical Process MCQ

Related Questions

The difference between saponification value and acid value is

Cement setting under water employs a/an __________ process.

Poly Vinyl Chloride (P.V.C.) is a __________ material.

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More than 100 percent of __________ is present in oleum.

Molecular weights of polymers are in the range of

Which of the following is a constituent of coffee?

Most commonly used rubber vulcanising agent is

In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the

The purpose of tanning in leather industry is to

Neon gas is

In the Lurgi coal gasifier

High acid value of an oil or fat is an indication of

Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale.

Main use of hydrazine is

The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is

Zeolite is a/an

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Chrome tanning and vegetable tanning are done for

Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass.

Low purity oxygen is used for

Consider the production of ammonia from methene and air as raw materials. The catalysts used are:(i) __________ for steam reforming of methane and(ii) __________ for ammonia synthesis.

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Phenolic antiseptics are added in the __________ soap.

Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc?

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

Chalcopyrite is the main ore of

Deacon's method is used for the manufacture of

Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction?

Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?

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Consider the production of ammonia from methene and air as raw materials. The catalysts used are:
(i) for steam reforming of methane and
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