Low temperature carbonisation of coal takes place at __________ °C.

Question

Low temperature carbonisation of coal takes place at __________ °C.

A. 300

B. 1100

C. 700

D. 900

Correct Answer :

C. 700

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Prussian blue is chemically represented by

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Anion exchanger is regenerated usually with

A. NaOH

B. H2SO4

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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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Pick out the wrong statement.

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Carbon content of pitch (residue of coal tar distillation) is around __________ percent.

A. 70

B. 55

C. 80

D. 94

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Zeolite is used in the

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Electro deposition of metals i.e. electroplating is never done on

A. Metals

B. Alloys

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Fish contains about __________ percent oil.

A. 5

B. 10

C. 20

D. 35

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Purity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about __________ °C.

A. -53

B. -103

C. -183

D. -196

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Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of

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Glauber's salt is chemically

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Sulphuric acid completely saturated with sulphur trioxide is called

B. Oleum

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Sodium chloride content in sea water is about __________ gms/litre.

A. 2

B. 10

C. 25

D. 50

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The amount of benzene present in pure Benzol is about __________ percent.

A. 30

B. 50

C. 70

D. 90

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The biochemical treatment applied to sewage effluents is a process of

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All enzymes are made of

A. Fats

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Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on

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Which of the following processes is absent in glass manufacturing process?

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Nylon-6 as compared to Nylon-66 is having higher

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Coal tar is used as a

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

Discuss this answer

Le-Blanc process is a primitive process for the manufacture of

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Catalyst used during the manufacture of 'Vanaspati Ghee' is

A. Zinc

B. Nickel

D. Copper

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Air used in aerobic fermentation must be sterilized, otherwise the

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The most widely used coagulant for removing suspended impurities from water is

D. Alum

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Hydrogenation of oil/fat does not

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Polycaprolactam is commercially known as

C. Dacron

D. Rayon

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__________ process is used for the manufacture of sodium carbonate by ammonia soda process.

B. Bosch

C. Solvay

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The function of gypsum addition during cement making is to

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

Discuss this answer

Answer 1

A. FeO.TiO₂

Answer 2

B. Ca SO₄ . 2H₂O

Answer 3

C. Fe₄ [Fe (CN₆)₃]

Answer 4

D. AlF₃ . 3N_aF

Answer 5

C. Hydrazine

Answer 6

D. Alum solution

Answer 7

A. Substrate

Answer 8

C. Nutrient

Answer 9

D. None of these

Answer 10

A. Low intensity explosives are also called propellants, whereas high intensity explosive are called detonators

Answer 11

B. Gun powder comprises of 75% salt petre, 15% charcoal and 10% sulphur

Answer 12

C. Lead azide is a popular military explosive

Answer 13

D. TNT is a hygroscopic explosive having very high melting point and is non-toxic to human being

Answer 14

A. Water treatment

Answer 15

B. Glass manufacture

Answer 16

C. Hydrogenation of fatty oil as a catalyst

Answer 17

D. Development of exposed photographic plate

Answer 18

C. Refractories

Answer 19

D. Non-metals

Answer 20

A. Nitric acid

Answer 21

B. Sulphuric acid

Answer 22

C. Ammonium sulphate

Answer 23

D. Hydrochloric acid

Answer 24

A. Calcium sulphate

Answer 25

B. Potassium sulphate

Answer 26

C. Potassium chlorate

Answer 27

D. None of these

Answer 28

A. Concentrated sulphuric acid

Answer 29

C. Sulphurous acid

Answer 30

D. Dilute sulphuric acid

Answer 31

A. Dehydration

Answer 32

B. Reduction

Answer 33

C. Oxidation

Answer 34

D. Polymerisation

Answer 35

B. Carbohydrates

Answer 36

C. Proteins

Answer 37

D. Amino acids

Answer 38

A. Slaked lime

Answer 39

B. Soda lime

Answer 40

C. Calcium perchlorate

Answer 41

D. None of these

Answer 42

A. Sintering

Answer 43

B. Annealing

Answer 44

C. Shaping or forming

Answer 45

D. Melting

Answer 46

A. Hardness

Answer 47

B. Abrasion/resistance

Answer 48

C. Melting point

Answer 49

D. None of these

Answer 50

A. Binding material for coal briquettes

Answer 51

B. Fuel in rotary kiln

Answer 52

C. Binder in making carbon electrodes

Answer 53

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

Answer 54

A. (i) platinum (ii) sulphur

Answer 55

B. (i) palladium (ii) oxygen

Answer 56

C. (i) nickel (ii) sulphur

Answer 57

D. (i) nickel (ii) oxygen

Answer 58

A. Caustic soda

Answer 59

B. Soda ash

Answer 60

C. Bromine from sea water

Answer 61

D. Hydrochloric acid

Answer 62

C. Platinum

Answer 63

A. Recovery of product will be difficult

Answer 64

B. Contamination of pure culture would result

Answer 65

C. Uniformity of product cannot be achieved

Answer 66

D. None of these

Answer 67

A. Bleaching powder

Answer 68

B. Chlorine

Answer 69

C. Calcium sulphate

Answer 70

A. Improve its resistance to rancid oxidation

Answer 71

B. Raise its melting point

Answer 72

C. Remove double bonds

Answer 73

D. None of these

Answer 74

A. Nylon-6

Answer 75

B. Nylon-66

Answer 76

A. Ostwald's

Answer 77

D. Haber's

Answer 78

A. Increase the density of cement

Answer 79

B. Decrease the cement setting rate

Answer 80

C. Both (A) and (B)

Answer 81

D. Neither (A) nor (B)

Answer 82

A. Storage under improper conditions

Answer 83

B. Absence of unsaturation

Answer 84

C. Its smaller molecular weight

Answer 85

D. None of these

Low temperature carbonisation of coal takes place at __________ °C.

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Prussian blue is chemically represented by

Anion exchanger is regenerated usually with

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

Pick out the wrong statement.

Carbon content of pitch (residue of coal tar distillation) is around __________ percent.

Zeolite is used in the

Electro deposition of metals i.e. electroplating is never done on

Fish contains about __________ percent oil.

Purity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about __________ °C.

Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of

Glauber's salt is chemically

Sulphuric acid completely saturated with sulphur trioxide is called

Sodium chloride content in sea water is about __________ gms/litre.

The amount of benzene present in pure Benzol is about __________ percent.

The biochemical treatment applied to sewage effluents is a process of

All enzymes are made of

Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on

Which of the following processes is absent in glass manufacturing process?

Nylon-6 as compared to Nylon-66 is having higher

Coal tar is used as a

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

Le-Blanc process is a primitive process for the manufacture of

Catalyst used during the manufacture of 'Vanaspati Ghee' is

Air used in aerobic fermentation must be sterilized, otherwise the

The most widely used coagulant for removing suspended impurities from water is

Hydrogenation of oil/fat does not

Polycaprolactam is commercially known as

__________ process is used for the manufacture of sodium carbonate by ammonia soda process.

The function of gypsum addition during cement making is to

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

Also checkout

Low temperature carbonisation of coal takes place at __________ °C.

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Prussian blue is chemically represented by

Anion exchanger is regenerated usually with

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

Pick out the wrong statement.

Carbon content of pitch (residue of coal tar distillation) is around __________ percent.

Zeolite is used in the

Electro deposition of metals i.e. electroplating is never done on

Fish contains about __________ percent oil.

Purity of oxygen used for blowing in steel making L.D. converter is 99.5%. The boiling point of oxygen is about __________ °C.

Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of

Glauber's salt is chemically

Sulphuric acid completely saturated with sulphur trioxide is called

Sodium chloride content in sea water is about __________ gms/litre.

The amount of benzene present in pure Benzol is about __________ percent.

The biochemical treatment applied to sewage effluents is a process of

All enzymes are made of

Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on

Which of the following processes is absent in glass manufacturing process?

Nylon-6 as compared to Nylon-66 is having higher

Coal tar is used as a

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

Le-Blanc process is a primitive process for the manufacture of

Catalyst used during the manufacture of 'Vanaspati Ghee' is

Air used in aerobic fermentation must be sterilized, otherwise the

The most widely used coagulant for removing suspended impurities from water is

Hydrogenation of oil/fat does not

Polycaprolactam is commercially known as

__________ process is used for the manufacture of sodium carbonate by ammonia soda process.

The function of gypsum addition during cement making is to

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

Also checkout

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