Which of the following is the second major component of cement?

Question

Which of the following is the second major component of cement?

B. CaO

C. SiO₂

Correct Answer :

B. CaO

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DDT stands for

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Yeast is used in the manufacture of

C. Wine

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Carboxymethyl cellulose (CMC) is added in detergents to

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Pick out the wrong statement.

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Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of

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The manufacture of Kraft pulp is done by a/an __________ process.

B. Acidic

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Pick out the wrong statement.

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The function of gypsum addition during cement making is to

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__________ paper is used in the manufacture of newsprint paper.

B. Board

C. Tissue

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Chemical name of 'alum' is

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The major constituent of black liquor generated during paper manufacture is sodium

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

A. 10

B. 25

C. 50

D. 98

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The catalyst used in the manufacture of DDT is

B. Silica

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

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In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed:

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Sulphuric acid saturated with SO₃ is called

C. Oleum

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Solvent extracted oil

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Epoxy resin

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Which of the following is an ore of iron?

A. Galena

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Phthalic anhydride is made by the

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Cumene (isopropyl benzene) is made by

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Triple superphosphate is manufactured by reacting

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One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to

Discuss this answer

Which glass is usually used in optical work?

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Plasticisers are added to paints to

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Sucrose content in the raw juice extracted from sugar cane is about __________ percent.

A. 1 - 2

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Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.

A. 15-30

B. 90-100

D. < 0

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Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc?

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Air used in aerobic fermentation must be sterilized, otherwise the

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Reaction of ethylene glycol and dimethyl terephthalate (DMT) produces

B. Dacron

D. PVC

Discuss this answer

Answer 1

A. Al₂O₃

Answer 2

D. Fe₂O₃

Answer 3

A. Diethyl-diphenyl-trichloromethane

Answer 4

B. Dichloro-diphenyl-trichloromethane

Answer 5

C. diphenyl-dichloro-trichloromethane

Answer 6

D. Dichloro-diphenyl-trichloroethane

Answer 7

A. Penicillin

Answer 8

B. Antibiotics

Answer 9

D. Pasteurised milk

Answer 10

A. Prevent redeposition of soil on cleaned surface

Answer 11

B. Act as optical brightening agent

Answer 12

C. Inhibit corrosion in washing machines made of aluminium

Answer 13

D. None of these

Answer 14

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

Answer 15

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

Answer 16

C. Lead azide is a popular military explosive

Answer 17

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

Answer 18

A. Calcium sulphate

Answer 19

B. Sodium chloride

Answer 20

C. Sodium sulphate

Answer 21

D. Magnesium chloride

Answer 22

A. Alkaline

Answer 23

C. Neutral

Answer 24

D. None of these

Answer 25

A. Hard glass which is used for making laboratory glass wares is a mixture of sodium borosilicate and aluminium borosilicate

Answer 26

B. Glass is decolorized during its manufacture by adding antimony oxide, manganese dioxide or arsenic oxide

Answer 27

C. Ordinary glass is represented chemically by Na₂O . CaO . 6SiO₂

Answer 28

D. Red color is imparted to glass by addition of arsenic oxide

Answer 29

A. Increase the density of cement

Answer 30

B. Decrease the cement setting rate

Answer 31

C. Both (A) and (B)

Answer 32

D. Neither (A) nor (B)

Answer 33

A. Ground-wood

Answer 34

D. Wrapping

Answer 35

A. Barium sulphate

Answer 36

B. Aluminium sulphate

Answer 37

C. Aluminium chloride

Answer 38

D. Calcium sulphate

Answer 39

A. Sulphate

Answer 40

B. Carbonate

Answer 41

C. Hydroxide

Answer 42

D. Bi-carbonate

Answer 43

A. Alumina

Answer 44

C. 20% oleum

Answer 45

D. Aluminium chloride

Answer 46

A. Cause cholesterol build up and blood clotting

Answer 47

B. Are prone to rancid oxidation

Answer 48

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

Answer 49

D. Have affinity to retain harmful sulphur compounds

Answer 50

A. Furnace → converter → absorber

Answer 51

B. Furnace → evaporator → absorber

Answer 52

C. Furnace → converter → evaporator

Answer 53

D. Converter → furnace → absorber

Answer 54

A. Concentrated H₂SO₄

Answer 55

B. Sulphurous acid

Answer 56

D. None of these

Answer 57

A. Has low free fatty acid content

Answer 58

B. Is odourless

Answer 59

C. Has more of unsaturates

Answer 60

D. None of these

Answer 61

A. Is a good adhesive

Answer 62

B. Is an elastomer

Answer 63

C. Cannot be used for surface coatings

Answer 64

D. Is a polyester

Answer 65

B. Chalcopyrite

Answer 66

C. Hematite

Answer 67

D. Bauxite

Answer 68

A. Oxidation of naphthalene

Answer 69

B. Oxidation of benzene

Answer 70

C. Dehydrogenation of ethyl benzene

Answer 71

D. None of these

Answer 72

A. Oxidation of naphthalene

Answer 73

B. Propylene alkylation of benzene

Answer 74

C. Polymerisation of a mixture of benzene & propylene

Answer 75

D. None of these

Answer 76

A. Phosphate rock with phosphoric acid

Answer 77

B. Phosphate rock with sulphuric acid

Answer 78

C. Phosphate rock with nitric acid

Answer 79

D. Ammonium phosphate with phosphoric acid

Answer 80

A. Adjust the pH of the syrup

Answer 81

B. Remove the coloring matter from the syrup

Answer 82

C. Reduce the viscosity of the syrup

Answer 83

D. Improve the rate of crystallisation of sugar

Answer 84

A. Lead glass

Answer 85

B. High silica (borosilicate) glass

Answer 86

C. Photo-sensitive glass

Answer 87

D. Fibre glass

Answer 88

A. Make it corrosion resistant

Answer 89

B. Make glossy surface

Answer 90

C. Give elasticity & prevent cracking of the film

Answer 91

D. Increase atmospheric oxidation

Answer 92

B. 15 - 20

Answer 93

C. 50 - 60

Answer 94

D. 80 - 85

Answer 95

C. 250-300

Answer 96

A. Sodium silicate

Answer 97

B. Sodium borate

Answer 98

C. Sodium tripolyphosphate (STPP)

Answer 99

D. Caustic soda

Answer 100

A. Recovery of product will be difficult

Answer 101

B. Contamination of pure culture would result

Answer 102

C. Uniformity of product cannot be achieved

Answer 103

D. None of these

Answer 104

A. Nylon-6

Answer 105

C. Polyester

Which of the following is the second major component of cement?

Correct Answer :

Show all Chemical Process MCQ

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DDT stands for

Yeast is used in the manufacture of

Carboxymethyl cellulose (CMC) is added in detergents to

Pick out the wrong statement.

Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of

The manufacture of Kraft pulp is done by a/an __________ process.

Pick out the wrong statement.

The function of gypsum addition during cement making is to

__________ paper is used in the manufacture of newsprint paper.

Chemical name of 'alum' is

The major constituent of black liquor generated during paper manufacture is sodium

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

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

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Which of the following is an ore of iron?

Phthalic anhydride is made by the

Cumene (isopropyl benzene) is made by

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One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to

Which glass is usually used in optical work?

Plasticisers are added to paints to

Sucrose content in the raw juice extracted from sugar cane is about __________ percent.

Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.

Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc?

Air used in aerobic fermentation must be sterilized, otherwise the

Reaction of ethylene glycol and dimethyl terephthalate (DMT) produces

Also checkout

Which of the following is the second major component of cement?

Correct Answer :

Show all Chemical Process MCQ

Related Questions

DDT stands for

Yeast is used in the manufacture of

Carboxymethyl cellulose (CMC) is added in detergents to

Pick out the wrong statement.

Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of

The manufacture of Kraft pulp is done by a/an __________ process.

Pick out the wrong statement.

The function of gypsum addition during cement making is to

__________ paper is used in the manufacture of newsprint paper.

Chemical name of 'alum' is

The major constituent of black liquor generated during paper manufacture is sodium

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

The catalyst used in the manufacture of DDT is

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

In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed:

Sulphuric acid saturated with SO3 is called

Solvent extracted oil

Epoxy resin

Which of the following is an ore of iron?

Phthalic anhydride is made by the

Cumene (isopropyl benzene) is made by

Triple superphosphate is manufactured by reacting

One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to

Which glass is usually used in optical work?

Plasticisers are added to paints to

Sucrose content in the raw juice extracted from sugar cane is about __________ percent.

Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.

Which of the following is a bleaching agent added in the detergents to facilitate removal of stains caused due to blood, tea etc?

Air used in aerobic fermentation must be sterilized, otherwise the

Reaction of ethylene glycol and dimethyl terephthalate (DMT) produces

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Sulphuric acid saturated with SO₃ is called