10% oleum comprises of 10% free

Question

10% oleum comprises of 10% free

A. SO₂

C. SO₃

Correct Answer :

C. SO₃

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Bakelite is

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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

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A. Silica

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Average sulphur content in Indian pyrites is about __________ percent.

A. 15

B. 35

C. 55

D. 70

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Fat splitting catalyst is

B. ZnO

D. Fe

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Maleic anhydride is produced by catalytic oxidation of

Discuss this answer

Which glass is usually used in optical work?

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Bakelite is chemically known as

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Chemical formula of 'salt cake' is

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Sucrose is a disaccharide consisting of

Discuss this answer

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Discuss this answer

Hydrogenation of oil/fat does not

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

Discuss this answer

For the hydrogenation of oils, (i) is commonly used as catalyst and (ii) is a catalyst poison.

Discuss this answer

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Discuss this answer

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Discuss this answer

Hydrogenation of oil takes place in a/an __________ reactor.

Discuss this answer

In Kraft process of paper manufacture, white cooking liquor consists of caustic soda

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Setting of plaster of Paris is accompanied with

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Answer 1

B. H₂SO₃

Answer 2

D. H₂SO₄

Answer 3

A. Same as Polytetrafluoroethylene (PTFE)

Answer 4

B. An inorganic polymer

Answer 5

C. Same as thermosetting phenol-formaldehyde

Answer 6

D. Not a polymer

Answer 7

A. Diamine and the ring

Answer 8

B. Dibasic acid and the ring

Answer 9

C. Diamine and the dibasic acid

Answer 10

D. None of these

Answer 11

A. Resistance to the action of organic solvent

Answer 12

B. Tackiness

Answer 13

C. Maximum service temperature

Answer 14

D. Tensile strength

Answer 15

B. Dissolved oxygen

Answer 16

C. Suspended salt

Answer 17

D. Dissolved salt

Answer 18

A. CaCO₃

Answer 19

C. Al₂O₃

Answer 20

A. Toluene

Answer 21

B. Ethyl alcohol

Answer 22

C. Naphthalene

Answer 23

D. Benzene

Answer 24

A. Lead glass

Answer 25

B. High silica (borosilicate) glass

Answer 26

C. Photo-sensitive glass

Answer 27

D. Fibre glass

Answer 28

A. Activated carbon

Answer 29

B. Diatomaceous earth

Answer 30

C. Bauxite

Answer 31

D. Bentonite

Answer 32

A. Polyvinyl chloride (PVC)

Answer 33

B. Polybutadiene

Answer 34

C. Phenol formaldehyde

Answer 35

D. Polyurethane

Answer 36

A. Catalytic dehydrogenation of ethyl benzene

Answer 37

B. Dehydration of ethyl alcohol followed by hydrogenation

Answer 38

C. Reacting ethylene oxide with acetaldehyde

Answer 39

D. Fermentation of starch

Answer 40

A. Remove impurities/gangue

Answer 41

B. Enhance rate of reaction

Answer 42

C. Accelerate reduction of ore

Answer 43

D. Separate slag from metal

Answer 44

A. Bleached easily

Answer 45

B. Dull white in color

Answer 46

C. Strong fibrous

Answer 47

D. Dark colored

Answer 48

A. Oxidising

Answer 49

B. Reducing

Answer 50

C. Complex forming

Answer 51

D. Photochemical

Answer 52

A. H₂, & CH₄

Answer 53

B. CO, & CO₂

Answer 54

C. H₂, & CO

Answer 55

D. CH₄, & CO

Answer 56

A. Na₂SO₄

Answer 57

B. CaSO₄

Answer 58

C. MgSO₄

Answer 59

D. BaSO₄

Answer 60

A. Impart resistance to penetration by liquids

Answer 61

B. Increase its thickness

Answer 62

C. Increase its flexibility & opacity

Answer 63

D. Increase its brightness

Answer 64

A. High electrical insulation properties

Answer 65

B. Sharp melting points

Answer 66

C. Low co-efficient of thermal expansion

Answer 67

D. Compressive strength much greater than their tensile strengths

Answer 68

A. Cellulose nitrate

Answer 69

B. Regenerated cellulose nitrate

Answer 70

C. Cellulose acetate

Answer 71

D. Regenerated cellulose acetate

Answer 72

A. Glucose and glucose

Answer 73

B. Glucose and fructose

Answer 74

C. Glucose and galactose

Answer 75

D. Fructose and galactose

Answer 76

A. Anaerobic

Answer 77

B. Aerobic

Answer 78

C. Endothermic

Answer 79

D. Both (B) and (C)

Answer 80

A. Improve its resistance to rancid oxidation

Answer 81

B. Raise its melting point

Answer 82

C. Remove double bonds

Answer 83

D. None of these

Answer 84

A. SO₃ gas is sparingly soluble in water

Answer 85

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

Answer 86

C. The purity of acid is affected

Answer 87

D. Scale formation in the absorber is to be avoided

Answer 88

A. (i) platinum (ii) sulphur

Answer 89

B. (i) palladium (ii) oxygen

Answer 90

C. (i) nickel (ii) sulphur

Answer 91

D. (i) nickel (ii) oxygen

Answer 92

A. Filtration

Answer 93

B. Boiling

Answer 94

C. Distillation

Answer 95

D. None of these

Answer 96

A. Magnetohydrodynamic (MHD) generator

Answer 97

B. Fuel cell

Answer 98

C. Fast breeder reactor

Answer 99

D. None of these

Answer 100

A. Autothermal

Answer 101

B. Trickle bed

Answer 102

C. Plug flow

Answer 103

D. None of these

Answer 104

A. Sodium sulphide & sodium carbonate

Answer 105

B. Sodium sulphite & sodium carbonate

Answer 106

C. Sodium sulphite & sodium sulphide

Answer 107

D. None of these

Answer 108

A. Hydration

Answer 109

B. Dehydration

Answer 110

C. Hydrolysis

Answer 111

D. Loss of CO₂

10% oleum comprises of 10% free

Correct Answer :

Show all Chemical Process MCQ

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Bakelite is

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Also checkout

10% oleum comprises of 10% free

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Bakelite is

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.

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

__________ of rubber decreases after its vulcanisation.

Which of the following impurities in feed water for high pressure boiler is the most detrimental?

Average sulphur content in Indian pyrites is about __________ percent.

Fat splitting catalyst is

Maleic anhydride is produced by catalytic oxidation of

Which glass is usually used in optical work?

Yellow glycerine is made into white, using

Bakelite is chemically known as

Styrene (a monomer for the production of polystyrene) is commercially produced by

Flux addition during smelting of ore is done to

Paper pulp produced by Kraft/sulphate process is

__________ Nature of hypo (sodium thiosulphate) makes it useful in photography.

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Chemical formula of 'salt cake' is

Sizing material is incorporated in paper to

Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have

Viscose rayon is chemically

Sucrose is a disaccharide consisting of

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

Hydrogenation of oil/fat does not

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Which of the following processes can remove both temporary as well as permanent hardness of water?

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Hydrogenation of oil takes place in a/an __________ reactor.

In Kraft process of paper manufacture, white cooking liquor consists of caustic soda

Setting of plaster of Paris is accompanied with

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