The main component of Pyrex glass is

Question

The main component of Pyrex glass is

A. Zinc

B. Lead

C. Boron

Correct Answer :

B. Lead

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A 'unit process' is exemplified by the

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Linde process of gas liquefaction employs

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Gun powder, which is an explosive comprises of charcoal, sulphur and

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

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Enamels

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Neon gas is

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Systemic insecticides

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Phosphoric acid is prepared from

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Sucrose is a disaccharide consisting of

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Essential oils are usually obtained using

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__________ is used as a catalyst in fat splitting.

A. ZnO

B. Ni

D. FeO

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Transparent soaps (e.g. Pears) are

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Presence of carbonaceous matter in the sewage

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Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent.

A. 10

B. 25

C. 50

D. 98

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Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil.

A. Drying

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Enzymes are

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SO2 is bubbled through hot sugar cane juice to

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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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CaSO4 . ½H₂O is known as

C. Gypsum

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Pasteurisation of milk means

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Lithophane is

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Which of the following fuel gases contains maximum amount of carbon monoxide?

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Pick out the exothermic reaction out of the following:

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Fermentator temperature during production of alcohol from molasses is around __________ °C.

A. 5

B. 30

C. 130

D. 300

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Inversion of sucrose produces

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Oils and fats are converted to soap in a process called

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The main component of Pyrex glass is

A. Zinc

B. Lead

C. Boron

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Commonly used glass is known as the __________ glass.

A. Flint

B. Hard

C. Pyrex

D. Soda

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Triple superphosphate is manufactured by reacting

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Solvay process is used for the manufacture of

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Answer 1

D. Selenium

Answer 2

A. Distillation

Answer 3

B. Hydrogenation of oils

Answer 4

C. Absorption

Answer 5

D. Humidification

Answer 6

A. Exchange of heat with colder stream

Answer 7

B. Adiabatic expansion through a throttle valve (Joule-Thomson expansion)

Answer 8

C. Adiabatic expansion against a piston or in a turbine

Answer 9

D. Merely compressing the gas beyond its critical pressure

Answer 10

A. Glycerine

Answer 11

B. Salt petre

Answer 12

C. Nitro glycerine

Answer 13

D. Dynamite

Answer 14

A. Its calorific value is very less

Answer 15

B. Tar neutralises the residual acids present in pitch

Answer 16

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

Answer 17

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

Answer 18

A. Give good glossy finish

Answer 19

B. Are same as varnish

Answer 20

C. Are prepared from non-drying oil

Answer 21

D. Do not contain pigment

Answer 22

A. Flammable in nature

Answer 23

B. Used in color discharge tube

Answer 24

C. Filled in lamps having tungsten filament

Answer 25

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

Answer 26

A. Are absorbed throughout the plant

Answer 27

B. Kill insects following external bodily contact

Answer 28

C. Are stomach poisons

Answer 29

D. Emit poisonous vapour

Answer 30

A. Cryolite

Answer 31

B. Chalcopyrite

Answer 32

C. Rock phosphate

Answer 33

D. None of these

Answer 34

A. Glucose and glucose

Answer 35

B. Glucose and fructose

Answer 36

C. Glucose and galactose

Answer 37

D. Fructose and galactose

Answer 38

A. Steam distillation

Answer 39

B. Extractive distillation

Answer 40

C. Solvent extraction

Answer 41

D. Leaching

Answer 42

C. V₂O₅

Answer 43

A. Usually soft soap (made from coconut oil) in which cane sugar & alcohol are added and finally washed with methylated spirit to achieve transparency

Answer 44

B. Metallic soaps with frothing agent and free Stearic acid to achieve transparency

Answer 45

C. Metallic soaps with frothing agent from which glycerine has not been recovered

Answer 46

D. None of these

Answer 47

A. Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures

Answer 48

B. Reduces sulphate ions to sulphides causing obnoxious smell

Answer 49

C. Increases the quantity of chlorine used for its purification

Answer 50

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

Answer 51

B. Semi-drying

Answer 52

C. Non-drying

Answer 53

D. None of these

Answer 54

A. Proteins with high molecular weight (around 10,000)

Answer 55

B. Derived from living organisms

Answer 56

C. Catalyst for temperature sensitive reactions

Answer 57

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

Answer 58

A. Act as an acidifying agent

Answer 59

B. Increase its concentration

Answer 60

C. Increase the amount of molasses

Answer 61

D. Increase the crystal size

Answer 62

A. Blue vitriol

Answer 63

B. Plaster of Paris

Answer 64

D. Zeolite

Answer 65

A. Removal of fatty and albuminous substance from it

Answer 66

B. Killing of organisms present in it by heating it at controlled temperature without changing its natural characteristics

Answer 67

C. Inhibiting the growth of micro-organisms without killing them

Answer 68

D. None of these

Answer 69

A. Explosive

Answer 70

B. White lead

Answer 71

C. Filter aid

Answer 72

D. ZnS (white pigment)

Answer 73

A. Coke oven gas

Answer 74

B. Water gas

Answer 75

C. Blast furnace gas

Answer 76

D. L.D. converter gas

Answer 77

A. C + H₂O = CO + H₂

Answer 78

B. CaC₂ + H₂O = Ca(OH)₂ + C₂H₂

Answer 79

C. MgCO₃ = MgO + CO₂

Answer 80

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

Answer 81

A. Fructose

Answer 82

B. Glucose

Answer 83

C. Both (A) & (B)

Answer 84

D. Neither (A) nor (B)

Answer 85

A. Hydrogenation

Answer 86

B. Esterification

Answer 87

C. Saponification

Answer 88

D. None of these

Answer 89

D. Selenium

Answer 90

A. Phosphate rock with phosphoric acid

Answer 91

B. Phosphate rock with sulphuric acid

Answer 92

C. Phosphate rock with nitric acid

Answer 93

D. Ammonium phosphate with phosphoric acid

Answer 94

A. Caustic soda

Answer 95

B. Soda ash

Answer 96

C. Caustic potash

Answer 97

D. Soda lime

The main component of Pyrex glass is

Correct Answer :

Show all Chemical Process MCQ

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The main component of Pyrex glass is

Correct Answer :

Show all Chemical Process MCQ

Related Questions

A 'unit process' is exemplified by the

Linde process of gas liquefaction employs

Gun powder, which is an explosive comprises of charcoal, sulphur and

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

Enamels

Neon gas is

Systemic insecticides

Phosphoric acid is prepared from

Sucrose is a disaccharide consisting of

Essential oils are usually obtained using

__________ is used as a catalyst in fat splitting.

Transparent soaps (e.g. Pears) are

Presence of carbonaceous matter in the sewage

Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent.

Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil.

Enzymes are

SO2 is bubbled through hot sugar cane juice to

Average sulphur content in Indian pyrites is about __________ percent.

CaSO4 . ½H2O is known as

Pasteurisation of milk means

Lithophane is

Which of the following fuel gases contains maximum amount of carbon monoxide?

Pick out the exothermic reaction out of the following:

Fermentator temperature during production of alcohol from molasses is around __________ °C.

Inversion of sucrose produces

Oils and fats are converted to soap in a process called

The main component of Pyrex glass is

Commonly used glass is known as the __________ glass.

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Solvay process is used for the manufacture of

Also checkout

CaSO4 . ½H₂O is known as