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

Question

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

A. Pyrex

B. Flint

Correct Answer :

B. Flint

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__________ is the major constituent of the Portland cement.

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Which of the following sugars is the sweetest?

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Pick out the false statement pertaining to water treatment.

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Bromine is used in the preparation of

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Commercially ethylene is produced from naphtha by

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Esterification reaction produces

C. Soap

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Stereospecific agents are exemplified by

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Permanent hardness of water is due to the presence of calcium & magnesium

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The main product of high temperature carbonisation of coal is

A. Coke

C. Tar

D. Phenol

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Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used

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__________ is used as a flux in the smelting of copper ore like chalcopyrite.

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Process conditions in fermentator used for production of penicillin is

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A bio-catalyst produced by living cells which acts independent of the cell is called a/an

B. Enzyme

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Fatty material used in soap making is

C. Tallow

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Varnish does not contain

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The end bleaching agent used to move last traces of colour bodies from the pulp is

B. MgO

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Economics of 'Solvay Process' depends upon the efficiency of

Discuss this answer

Carborundum consists mainly of

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Refractory bricks burnt at very high temperature have got

Discuss this answer

Gelatine which is a nitrogenous organic protein is obtained by the hydrolysis of

B. Tannin

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Sucrose content in cane sugar may be around __________ percent.

A. 50

B. 70

C. 95

D. 80

Discuss this answer

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

Discuss this answer

Hydrogenation of oil/fat does not

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Good quality of edible salt is obtained from brine by the process of

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The most economical pulp for the production of newsprint would be the __________ pulp.

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Kopper-Totzek coal gasifier

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Penicillin is separated from fermented broth by

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Production of alcohol by fermentation of molasses is a/an __________ process.

Discuss this answer

RDX (an explosive), which is more sensitive but less toxic than TNT, is chemically

Discuss this answer

Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene?

A. AgO

Discuss this answer

Answer 1

C. Crookes

Answer 2

D. None of these

Answer 3

A. Calcium carbonate

Answer 4

B. Calcium oxide

Answer 5

C. Tricalcium silicate

Answer 6

D. Calcium sulphate

Answer 7

A. Glucose

Answer 8

B. Fructose

Answer 9

C. Sucrose

Answer 10

D. Lactose

Answer 11

A. Aeration of water is effective in CO2 removal

Answer 12

B. The zeolite water softening process reduces the hardness of water by not more than 50%

Answer 13

C. Sodium sulphate or sodium carbonate do not cause hardness in water

Answer 14

D. Water with pH value less than 7, is acidic

Answer 15

A. Fire extinguishing compounds

Answer 16

B. Fire proofing agents

Answer 17

C. Dyes and antiknock compounds

Answer 18

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

Answer 19

A. Catalytic cracking

Answer 20

B. Catalytic dehydrogenation

Answer 21

C. Pyrolysis

Answer 22

D. Hydrocracking

Answer 23

A. Detergent

Answer 24

B. Vanaspati

Answer 25

D. Mercaptans

Answer 26

A. Radiation

Answer 27

B. Supported metal oxide catalysts

Answer 28

C. Ziegler catalysts

Answer 29

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

Answer 30

A. Bi-carbonates

Answer 31

B. Sulphates & chlorides

Answer 32

C. Carbonate

Answer 33

D. None of these

Answer 34

B. Ammonia

Answer 35

A. As a lubricant

Answer 36

B. As a rust preventive

Answer 37

C. In hard water for cleaning of cloth

Answer 38

D. As a foam depressant in distillation column

Answer 39

A. Coke breeze

Answer 40

B. Lime powder

Answer 41

C. Silica/quartz

Answer 42

D. Dolomite

Answer 43

A. 25°C, 2 atm

Answer 44

B. 50°C, l0 atm

Answer 45

C. 30°C, 200 mm Hg (absolute)

Answer 46

D. 90°C, 45 atm

Answer 47

A. Substrate

Answer 48

C. Nutrient

Answer 49

D. None of these

Answer 50

A. Fatty acid

Answer 51

B. Fatty alcohols

Answer 52

D. Detergents

Answer 53

A. Thinner

Answer 54

B. Pigment

Answer 55

C. Both (A) & (B)

Answer 56

D. Neither (A) nor (B)

Answer 57

A. Chlorine dioxide (ClO₂)

Answer 58

C. SO₂ gas

Answer 59

D. Mercaptans

Answer 60

A. Carbonating tower

Answer 61

B. Ammonia recovery

Answer 62

C. Ammonia recovery and size of the plant

Answer 63

D. Ammoniation of salt solution

Answer 64

A. Bauxite

Answer 65

B. Silicon carbide

Answer 66

C. Boron carbide

Answer 67

D. Calcium carbide

Answer 68

A. Greater resistance to corrosion by slags

Answer 69

B. Less resistance to corrosion by slags

Answer 70

C. High spalling tendency

Answer 71

D. None of these

Answer 72

A. Collagen

Answer 73

C. Molasses

Answer 74

D. Carbohydrate

Answer 75

A. Sulphuric acid

Answer 76

B. Phosphoric acid

Answer 77

C. Hydrochloric acid

Answer 78

D. Hydrofluoric acid

Answer 79

A. Improve its resistance to rancid oxidation

Answer 80

B. Raise its melting point

Answer 81

C. Remove double bonds

Answer 82

D. None of these

Answer 83

A. Solar evaporation

Answer 84

B. Vacuum evaporation

Answer 85

C. Freeze drying

Answer 86

D. Electrolysis

Answer 87

A. Ground-wood

Answer 88

B. Sulphate

Answer 89

C. Sulphite

Answer 90

D. Semi-chemical

Answer 91

A. Can give ammonia synthesis gas (H2 + N2)

Answer 92

B. Is a moving bed reactor

Answer 93

C. Cannot use coking coal

Answer 94

D. Operate at very high pressure

Answer 95

A. Extraction with amyl or butyl acetate

Answer 96

B. Ternary Azeotropic distillation

Answer 97

C. Evaporator in calandria

Answer 98

D. Extractive distillation

Answer 99

A. Anaerobic

Answer 100

B. Aerobic

Answer 101

C. Endothermic

Answer 102

D. Both (B) and (C)

Answer 103

A. Cyclo trimethylene trinitramine

Answer 104

B. Trinitro resorcinol

Answer 105

C. Cyclo tetramethylene tetranitramine

Answer 106

D. Trinitrobenzene

Answer 107

B. Al₂O₃

Answer 108

C. ZnCl₂

Answer 109

D. Fe₂O₃

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

Correct Answer :

Show all Chemical Process MCQ

Related Questions

__________ is the major constituent of the Portland cement.

Which of the following sugars is the sweetest?

Pick out the false statement pertaining to water treatment.

Bromine is used in the preparation of

Commercially ethylene is produced from naphtha by

Esterification reaction produces

Stereospecific agents are exemplified by

Permanent hardness of water is due to the presence of calcium & magnesium

The main product of high temperature carbonisation of coal is

Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used

__________ is used as a flux in the smelting of copper ore like chalcopyrite.

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Varnish does not contain

The end bleaching agent used to move last traces of colour bodies from the pulp is

Economics of 'Solvay Process' depends upon the efficiency of

Carborundum consists mainly of

Refractory bricks burnt at very high temperature have got

Gelatine which is a nitrogenous organic protein is obtained by the hydrolysis of

Sucrose content in cane sugar may be around __________ percent.

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

Hydrogenation of oil/fat does not

Good quality of edible salt is obtained from brine by the process of

The most economical pulp for the production of newsprint would be the __________ pulp.

Kopper-Totzek coal gasifier

Penicillin is separated from fermented broth by

Production of alcohol by fermentation of molasses is a/an __________ process.

RDX (an explosive), which is more sensitive but less toxic than TNT, is chemically

Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene?

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