Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.

Question

Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.

A. -83

B. -183

C. -196

D. -218

Correct Answer :

B. -183

Share this question with your friends

Show all Chemical Process MCQ

Comment

Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.

A. SO₃

B. Cl₂

C. NH₃

D. SO₂

Discuss this answer

Which of the following is not a food additive?

Discuss this answer

__________ paper is used in the manufacture of newsprint paper.

B. Board

C. Tissue

Discuss this answer

Pick out the wrong statement.

Discuss this answer

Dacron is a/an

Discuss this answer

Styrene-butadiene-rubber (SBR) as compared to natural rubber has

Discuss this answer

CO & H₂ are the constituents of

Discuss this answer

Sodium bisulphite is used for __________ water.

Discuss this answer

Helium is produced on commercial scale from

A. Air

Discuss this answer

The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.

A. 800

B. 1600

C. 4000

D. 8500

Discuss this answer

A 'unit process' is exemplified by the

Discuss this answer

Claude process of gas liquefaction employs

Discuss this answer

Flux addition during smelting of ore is done to

Discuss this answer

Thermal pyrolysis of ethylene dichloride produces

Discuss this answer

Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because

Discuss this answer

DDT stands for

Discuss this answer

Isopropyl benzene produced by alkylation of benzene with propylene is known as

B. Cumene

Discuss this answer

Viscosity index improver (like polystyrene or polyisobutylene) is added to lubricant to

Discuss this answer

The major use of butadiene is

Discuss this answer

What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell?

Discuss this answer

H2S is scrubbed from refinery gases by absorption using

Discuss this answer

Cement setting under water employs a/an __________ process.

Discuss this answer

An oil is converted into fat by its

Discuss this answer

Glauber's salt is chemically

Discuss this answer

Trinitro-toluene (TNT) is

Discuss this answer

__________ is a polysaccharide.

B. Starch

Discuss this answer

Zeigler process

Discuss this answer

Phenol formaldehyde is produced by condensation polymerisation. It is also known as

A. Teflon

Discuss this answer

Brackish water which contains mostly dissolved salt, can be purified by the __________ process.

Discuss this answer

Sulphur addition in soap is done to

Discuss this answer

Answer 1

A. Citric acid

Answer 2

B. Invertage

Answer 3

C. Benzoyl peroxide

Answer 4

D. Ammonium chloride

Answer 5

A. Ground-wood

Answer 6

D. Wrapping

Answer 7

A. Chamber process of sulphuric acid manufacture produces pure acid of concentration < 80%

Answer 8

B. Contact process of sulphuric acid manufacture produces pure acid of concentration ≥ 98%

Answer 9

C. 75% oleum can be produced by distillation of 20% oleum

Answer 10

D. Contact process of sulphuric acid manufacture uses nickel as the catalyst

Answer 11

A. Polyester

Answer 12

B. Unsaturated polyester

Answer 13

C. Polyamide

Answer 14

D. Inorganic polymer

Answer 15

A. Poorer tensile strength

Answer 16

B. Poorer resistance to oxidation

Answer 17

C. Greater amount of heat build-up under heavy loading

Answer 18

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

Answer 19

A. Producer gas

Answer 20

B. Water gas

Answer 21

C. Coke oven gas

Answer 22

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

Answer 23

A. Deaeration

Answer 24

B. Dechlorination

Answer 25

C. Both (A) & (B)

Answer 26

D. Neither (A) nor (B)

Answer 27

B. Natural gas

Answer 28

C. Coke oven gas

Answer 29

D. None of these

Answer 30

A. Distillation

Answer 31

B. Hydrogenation of oils

Answer 32

C. Absorption

Answer 33

D. Humidification

Answer 34

A. Merely compression of gas beyond its critical pressure

Answer 35

B. Joule-Thomson expansion cooling

Answer 36

C. Heat exchange with colder stream

Answer 37

D. Adiabatic expansion against a piston or in a turbine

Answer 38

A. Remove impurities/gangue

Answer 39

B. Enhance rate of reaction

Answer 40

C. Accelerate reduction of ore

Answer 41

D. Separate slag from metal

Answer 42

A. Trichloroethylene

Answer 43

B. Vinyl chloride

Answer 44

C. Ethanol amine

Answer 45

D. Ethylene oxide

Answer 46

A. Its calorific value is very less

Answer 47

B. Tar neutralises the residual acids present in pitch

Answer 48

C. It reduces viscosity and imparts fluidity for its transportation through pipelines at economic pressure drop

Answer 49

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

Answer 50

A. Diethyl-diphenyl-trichloromethane

Answer 51

B. Dichloro-diphenyl-trichloromethane

Answer 52

C. diphenyl-dichloro-trichloromethane

Answer 53

D. Dichloro-diphenyl-trichloroethane

Answer 54

A. Neoprene

Answer 55

C. Gelatin

Answer 56

D. Mercaptans

Answer 57

A. Reduce its viscosity

Answer 58

B. Increase its viscosity

Answer 59

C. Reduce the variation in its viscosity with temperature

Answer 60

D. Increase the variation in its viscosity with temperature

Answer 61

A. As a plasticiser for unsaturated polyester

Answer 62

B. In the manufacture of synthetic rubber

Answer 63

C. As an anti-skinning agent in paint

Answer 64

D. None of these

Answer 65

A. Cl₂ & Na

Answer 66

B. Cl₂ & H₂

Answer 67

C. O₂ & H₂

Answer 68

D. Cl₂, H₂ & NaOH solution

Answer 69

A. Dilute H₂SO₄

Answer 70

B. Ethanol amine

Answer 71

C. Chilled water

Answer 72

D. Tri-butyl phosphate

Answer 73

A. Hydration

Answer 74

B. Decomposition

Answer 75

C. Oxidation

Answer 76

D. Reduction

Answer 77

A. Hydrogenation

Answer 78

B. Hydrolysis

Answer 79

C. Hydrocracking

Answer 80

D. Hydration

Answer 81

A. Calcium sulphate

Answer 82

B. Potassium sulphate

Answer 83

C. Potassium chlorate

Answer 84

D. None of these

Answer 85

A. Used in glycerine manufacture

Answer 86

B. An explosive

Answer 87

C. Used in dye manufacture

Answer 88

D. None of these

Answer 89

A. Maltose

Answer 90

C. Sucrose

Answer 91

D. Glucose

Answer 92

A. Produces high density polyethylene

Answer 93

B. Produces low density polyethylene

Answer 94

C. Uses no catalyst

Answer 95

D. Employs very high pressure

Answer 96

B. Bakelite

Answer 97

C. Polyester

Answer 98

D. Nylon-66

Answer 99

A. Reverse osmosis

Answer 100

B. Sand filter

Answer 101

C. Lime soda

Answer 102

D. Permutit

Answer 103

A. Improve the soap texture

Answer 104

B. Cure pimples & dandruff

Answer 105

C. Fasten lather formation

Answer 106

D. Increase its cleansing action

Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.

Which of the following is not a food additive?

__________ paper is used in the manufacture of newsprint paper.

Pick out the wrong statement.

Dacron is a/an

Styrene-butadiene-rubber (SBR) as compared to natural rubber has

CO & H₂ are the constituents of

Sodium bisulphite is used for __________ water.

Helium is produced on commercial scale from

The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.

A 'unit process' is exemplified by the

Claude process of gas liquefaction employs

Flux addition during smelting of ore is done to

Thermal pyrolysis of ethylene dichloride produces

Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because

DDT stands for

Isopropyl benzene produced by alkylation of benzene with propylene is known as

Viscosity index improver (like polystyrene or polyisobutylene) is added to lubricant to

The major use of butadiene is

What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell?

H2S is scrubbed from refinery gases by absorption using

Cement setting under water employs a/an __________ process.

An oil is converted into fat by its

Glauber's salt is chemically

Trinitro-toluene (TNT) is

__________ is a polysaccharide.

Zeigler process

Phenol formaldehyde is produced by condensation polymerisation. It is also known as

Brackish water which contains mostly dissolved salt, can be purified by the __________ process.

Sulphur addition in soap is done to

Also checkout

Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.

Which of the following is not a food additive?

__________ paper is used in the manufacture of newsprint paper.

Pick out the wrong statement.

Dacron is a/an

Styrene-butadiene-rubber (SBR) as compared to natural rubber has

CO & H2 are the constituents of

Sodium bisulphite is used for __________ water.

Helium is produced on commercial scale from

The compressive strength of cement should not be less than about 110Kg/cm2 after three days & not less than 170Kg/cm2 after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm2/gm.

A 'unit process' is exemplified by the

Claude process of gas liquefaction employs

Flux addition during smelting of ore is done to

Thermal pyrolysis of ethylene dichloride produces

Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because

DDT stands for

Isopropyl benzene produced by alkylation of benzene with propylene is known as

Viscosity index improver (like polystyrene or polyisobutylene) is added to lubricant to

The major use of butadiene is

What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell?

H2S is scrubbed from refinery gases by absorption using

Cement setting under water employs a/an __________ process.

An oil is converted into fat by its

Glauber's salt is chemically

Trinitro-toluene (TNT) is

__________ is a polysaccharide.

Zeigler process

Phenol formaldehyde is produced by condensation polymerisation. It is also known as

Brackish water which contains mostly dissolved salt, can be purified by the __________ process.

Sulphur addition in soap is done to

Also checkout

CO & H₂ are the constituents of

The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.