Blue colour is imparted to glass by the addition of

Question

Blue colour is imparted to glass by the addition of

B. PbO

C. CaO

D. NaOH

Correct Answer :

C. CaO

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Pick out the wrong statement.

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Higher viscosity index of a lubricating oil denotes

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Bleaching action of bleaching powder is due to its __________ properties.

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Pick out the wrong statement pertaining to the soap manufacture.

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Chloral is used in the manufacture of

A. DDT

B. BHC

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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

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Refractory bricks burnt at very high temperature have got

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Platinum is a versatile catalyst for many processes in chemical industries. It is highly prone to be poisoned by the presence of

A. Carbon

C. Lead

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Ordinary glass is not a/an

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__________ acid is the main constituent of cotton seed oil.

A. Acetic

D. Oleic

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The catalyst used in the production of elemental sulphur from H₂S (by oxidation-reduction) is

D. Nickel

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Temperature during hydrogenation of oil should not be more than 200°C, otherwise it will result in

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Process conditions in fermentator used for production of penicillin is

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Removal of dirt/soil by soaps or detergent does not involve the __________ of soil.

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

Discuss this answer

Permanent hardness of water can be removed by

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Hydrazine is largely used

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Starting material for the production of butadiene in India is

B. Benzol

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Function of thinner in a paint is to

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Which of the following contains least amount of N₂?

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L.D. converter is used in the production of

B. Steel

C. Copper

D. Zinc

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Blue colour is imparted to glass by the addition of

B. PbO

C. CaO

D. NaOH

Discuss this answer

Fusel oil is a/an

Discuss this answer

Mannheim furnace is used in the manufacture of

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Caprolactam (a raw material for nylon-6 manufacture) is produced from

A. Phenol

Discuss this answer

A mixture of chlorine & sodium bromide acts as a/an

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Vanillin is a type of

D. Dye

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Salt is the basic raw material for the manufacture of

A. Cement

B. Glass

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Oils are partially hydrogenated (not fully) to manufacture Vanaspati, because fully saturated solidified oils

Discuss this answer

Glass is

Discuss this answer

Answer 1

A. FeSO₄

Answer 2

A. Pasteurisation of milk involves moderate heating followed by cooling

Answer 3

B. Bakeries and breweries make use of yeasts

Answer 4

C. Enzyme is a complex nitrogenous compound

Answer 5

D. Oils and fats are alkaloids

Answer 6

A. Less changes in fluidity of oil with temperature

Answer 7

B. Substantially high change in fluidity of oil with temperature

Answer 8

C. Its unsuitability under varying temperature conditions

Answer 9

D. None of these

Answer 10

A. Reducing

Answer 11

B. Oxidising

Answer 12

C. Disinfecting

Answer 13

D. None of these

Answer 14

A. Transparent soaps are made by cold process

Answer 15

B. Organic pigments are used as colouring materials in the soap manufacture

Answer 16

C. Both laundry as well as toilet soaps are manufactured by hot process

Answer 17

D. Colourless rosin is used in the manufacture of laundry soaps

Answer 18

C. Parathion

Answer 19

D. None of these

Answer 20

A. Sulphuric acid

Answer 21

B. Phosphoric acid

Answer 22

C. Hydrochloric acid

Answer 23

D. Hydrofluoric acid

Answer 24

A. Greater resistance to corrosion by slags

Answer 25

B. Less resistance to corrosion by slags

Answer 26

C. High spalling tendency

Answer 27

D. None of these

Answer 28

B. Arsenic

Answer 29

D. Sulphur

Answer 30

A. Amorphous isotropic material

Answer 31

B. Supercooled liquid

Answer 32

C. Material with sharp definite melting point

Answer 33

D. Electrical insulator

Answer 34

B. Linoleic

Answer 35

C. Palmitic

Answer 36

A. Alumina

Answer 37

B. Silica gel

Answer 38

C. Platinum

Answer 39

A. Pyrolysis of oil

Answer 40

B. Sintering of porous catalyst

Answer 41

C. Hydrogen embrittlement

Answer 42

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

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. Emulsification

Answer 48

B. Dispersion

Answer 49

C. Precipitation

Answer 50

D. Wetting

Answer 51

A. Diamine and the ring

Answer 52

B. Dibasic acid and the ring

Answer 53

C. Diamine and the dibasic acid

Answer 54

D. None of these

Answer 55

A. Simply boiling

Answer 56

B. Adding alum

Answer 57

C. Passing it through cation & anion exchangers

Answer 58

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

Answer 59

A. As a starting material for 'hypo'

Answer 60

B. In photographic industry

Answer 61

C. As rocket fuel

Answer 62

D. In printing industry

Answer 63

A. Naphthalene

Answer 64

C. Ethyl alcohol

Answer 65

D. Phthalic anhydride

Answer 66

A. Accelerate the oxidation of oil

Answer 67

B. Prevent gelling of the paint

Answer 68

C. Suspend pigments & dissolve film forming materials

Answer 69

D. Form a protective film

Answer 70

A. Coke oven gas

Answer 71

B. Blast furnace gas

Answer 72

C. Producer gas

Answer 73

D. Water gas (blue gas)

Answer 74

A. Pig iron

Answer 75

A. FeSO₄

Answer 76

A. Essential oil

Answer 77

B. Extract from medicinal herbs

Answer 78

C. Mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses).

Answer 79

D. None of these

Answer 80

A. Hydrochloric acid

Answer 81

B. H₂SO₄ by Chamber process

Answer 82

C. Calcium carbide

Answer 83

D. Corundum

Answer 84

B. Naphthalene

Answer 85

C. Benzene

Answer 86

D. Pyridine

Answer 87

A. Insecticides

Answer 88

B. Analgesic drug

Answer 89

C. Fire retardant

Answer 90

D. Hydrogenation catalyst

Answer 91

A. Anti-pyretic drug

Answer 92

B. Food preservative

Answer 93

C. Flavour

Answer 94

C. Potteries

Answer 95

D. Caustic soda

Answer 96

A. Cause cholesterol build up and blood clotting

Answer 97

B. Are prone to rancid oxidation

Answer 98

C. Always contain some amount of nickel (as their complete removal is very difficult)

Answer 99

D. Have affinity to retain harmful sulphur compounds

Answer 100

A. Mainly CaO

Answer 101

B. Subjected to galvanising

Answer 102

C. A super cooled liquid

Answer 103

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

Blue colour is imparted to glass by the addition of

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Pick out the wrong statement.

Higher viscosity index of a lubricating oil denotes

Bleaching action of bleaching powder is due to its __________ properties.

Pick out the wrong statement pertaining to the soap manufacture.

Chloral is used in the manufacture of

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

Refractory bricks burnt at very high temperature have got

Platinum is a versatile catalyst for many processes in chemical industries. It is highly prone to be poisoned by the presence of

Ordinary glass is not a/an

__________ acid is the main constituent of cotton seed oil.

The catalyst used in the production of elemental sulphur from H₂S (by oxidation-reduction) is

Temperature during hydrogenation of oil should not be more than 200°C, otherwise it will result in

Process conditions in fermentator used for production of penicillin is

Removal of dirt/soil by soaps or detergent does not involve the __________ of soil.

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

Permanent hardness of water can be removed by

Hydrazine is largely used

Starting material for the production of butadiene in India is

Function of thinner in a paint is to

Which of the following contains least amount of N₂?

L.D. converter is used in the production of

Blue colour is imparted to glass by the addition of

Fusel oil is a/an

Mannheim furnace is used in the manufacture of

Caprolactam (a raw material for nylon-6 manufacture) is produced from

A mixture of chlorine & sodium bromide acts as a/an

Vanillin is a type of

Salt is the basic raw material for the manufacture of

Oils are partially hydrogenated (not fully) to manufacture Vanaspati, because fully saturated solidified oils

Glass is

Also checkout

Blue colour is imparted to glass by the addition of

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Pick out the wrong statement.

Higher viscosity index of a lubricating oil denotes

Bleaching action of bleaching powder is due to its __________ properties.

Pick out the wrong statement pertaining to the soap manufacture.

Chloral is used in the manufacture of

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

Refractory bricks burnt at very high temperature have got

Platinum is a versatile catalyst for many processes in chemical industries. It is highly prone to be poisoned by the presence of

Ordinary glass is not a/an

__________ acid is the main constituent of cotton seed oil.

The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is

Temperature during hydrogenation of oil should not be more than 200°C, otherwise it will result in

Process conditions in fermentator used for production of penicillin is

Removal of dirt/soil by soaps or detergent does not involve the __________ of soil.

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

Permanent hardness of water can be removed by

Hydrazine is largely used

Starting material for the production of butadiene in India is

Function of thinner in a paint is to

Which of the following contains least amount of N2?

L.D. converter is used in the production of

Blue colour is imparted to glass by the addition of

Fusel oil is a/an

Mannheim furnace is used in the manufacture of

Caprolactam (a raw material for nylon-6 manufacture) is produced from

A mixture of chlorine & sodium bromide acts as a/an

Vanillin is a type of

Salt is the basic raw material for the manufacture of

Oils are partially hydrogenated (not fully) to manufacture Vanaspati, because fully saturated solidified oils

Glass is

Also checkout

The catalyst used in the production of elemental sulphur from H₂S (by oxidation-reduction) is

Which of the following contains least amount of N₂?