Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent.

Question

Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent.

A. 75

B. < 10

C. > 30

D. 50

Correct Answer :

B. < 10

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Mercury cells for caustic soda manufacture, compared to diaphragm cells

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Haemoglobin is a/an

D. Enzyme

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All enzymes are made of

A. Fats

Discuss this answer

Presence of sodium tripolyphosphate (an additive) in synthetic detergent

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Sea weeds are an important source of

D. Iodine

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Carboxymethyl cellulose (CMC) is added in detergents to act as a/an

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Function of thinner in a paint is to

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Chalcopyrite is the main ore of

A. Copper

B. Lead

C. Tin

D. Iron

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

A. 30

B. 50

C. 70

D. 90

Discuss this answer

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

Discuss this answer

Aryl benzene sulphonate (ABS) is a

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Bio-degradable detergents

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Mannheim furnace is used in the manufacture of

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Bakelite is chemically known as

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Concentration of hydrogen peroxide is done by

Discuss this answer

Prussian blue is chemically represented by

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Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?

Discuss this answer

Bisphenol A is produced by the condensation of acetone with

D. Phenol

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Penicillin is separated from fermented broth by

Discuss this answer

Viscose rayon is chemically

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Which of the following is a detergent?

Discuss this answer

Pick out the exothermic reaction out of the following:

Discuss this answer

Washing soda is chemically represented by

Discuss this answer

Pick out the correct statement.

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The main component of Pyrex glass is

A. Zinc

B. Lead

C. Boron

Discuss this answer

Refractory bricks having high thermal conductivity is desirable, when it is to be used in the

Discuss this answer

In primitive days, __________ was being manufactured by Leblanc Process.

A. Alum

Discuss this answer

Na₂CO₃.10H₂O is called

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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

Pasteurisation of milk means

Discuss this answer

Answer 1

A. Require lower initial investment

Answer 2

B. Require more power

Answer 3

C. Produce lower concentration NaOH

Answer 4

D. None of these

Answer 5

A. Amino acid

Answer 6

B. Biological catalyst

Answer 7

C. Protein

Answer 8

B. Carbohydrates

Answer 9

C. Proteins

Answer 10

D. Amino acids

Answer 11

A. Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions)

Answer 12

B. Inhibits its corrosive effects

Answer 13

C. Does not allow redeposition of dirt on the cleaned surface

Answer 14

D. None of these

Answer 15

A. Fluorine

Answer 16

B. Chlorine

Answer 17

C. Bromine

Answer 18

A. Surfactant

Answer 19

B. Builder

Answer 20

C. Optical brightening agent

Answer 21

D. Anti soil redeposition agent

Answer 22

A. Accelerate the oxidation of oil

Answer 23

B. Prevent gelling of the paint

Answer 24

C. Suspend pigments & dissolve film forming materials

Answer 25

D. Form a protective film

Answer 26

C. 250-300

Answer 27

A. Detergent

Answer 28

B. Plasticiser for unsaturated polyester

Answer 29

C. Starting material for the synthesis of glycerine

Answer 30

D. Coating ingredient for photographic film

Answer 31

A. Can be readily oxidised

Answer 32

B. Pose problem in sewerage plant

Answer 33

C. Have an isoparaffinic structure

Answer 34

D. Should not be used as it spoils the cloth

Answer 35

A. Hydrochloric acid

Answer 36

B. H₂SO₄ by Chamber process

Answer 37

C. Calcium carbide

Answer 38

D. Corundum

Answer 39

A. Polyvinyl chloride (PVC)

Answer 40

B. Polybutadiene

Answer 41

C. Phenol formaldehyde

Answer 42

D. Polyurethane

Answer 43

A. Crystallisation

Answer 44

B. Vacuum crystallisation

Answer 45

C. Atmospheric distillation

Answer 46

D. Dehydration

Answer 47

A. FeO.TiO₂

Answer 48

B. Ca SO₄ . 2H₂O

Answer 49

C. Fe₄ [Fe (CN₆)₃]

Answer 50

D. AlF₃ . 3N_aF

Answer 51

A. Xanthates

Answer 52

B. Stearic acid

Answer 53

C. Calcium & aluminium stearate

Answer 54

D. Formic acid

Answer 55

A. Formaldehyde

Answer 56

B. Ethyl alcohol

Answer 57

C. Diethyl ether

Answer 58

A. Extraction with amyl or butyl acetate

Answer 59

B. Ternary Azeotropic distillation

Answer 60

C. Evaporator in calandria

Answer 61

D. Extractive distillation

Answer 62

A. Cellulose nitrate

Answer 63

B. Regenerated cellulose nitrate

Answer 64

C. Cellulose acetate

Answer 65

D. Regenerated cellulose acetate

Answer 66

A. Benzene hexachloride

Answer 67

B. Alkyl benzene sulphonate

Answer 68

C. Polytetrafluoroethylene

Answer 69

D. Cellulose nitrate

Answer 70

A. C + H₂O = CO + H₂

Answer 71

B. CaC₂ + H₂O = Ca(OH)₂ + C₂H₂

Answer 72

C. MgCO₃ = MgO + CO₂

Answer 73

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

Answer 74

A. Na₂CO₃

Answer 75

B. Na₂CO₃.H₂O

Answer 76

C. Na₂CO₃.10H₂O

Answer 77

D. NaHCO₃

Answer 78

A. A fat is converted into oil by its hydrogenation

Answer 79

B. There is no difference between a fat and an oil so far as its physical properties are concerned

Answer 80

C. All vegetable oils except coconut oil, contains fatty acids having more than sixteen carbon atoms

Answer 81

D. Vegetable oils are classified as drying, non-drying and semi drying oils depending upon their fatty acids content

Answer 82

D. Selenium

Answer 83

A. L.D. converter

Answer 84

B. Blast furnace

Answer 85

C. Rotary kiln

Answer 86

D. Recuperator

Answer 87

B. Washing soda

Answer 88

C. Soda ash

Answer 89

D. Calcium carbide

Answer 90

A. Washing soda

Answer 91

B. Soda ash

Answer 92

C. Slaked lime

Answer 93

D. Quicklime

Answer 94

A. Adjust the pH of the syrup

Answer 95

B. Remove the coloring matter from the syrup

Answer 96

C. Reduce the viscosity of the syrup

Answer 97

D. Improve the rate of crystallisation of sugar

Answer 98

A. Removal of fatty and albuminous substance from it

Answer 99

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

Answer 100

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

Answer 101

D. None of these

Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent.

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Mercury cells for caustic soda manufacture, compared to diaphragm cells

Haemoglobin is a/an

All enzymes are made of

Presence of sodium tripolyphosphate (an additive) in synthetic detergent

Sea weeds are an important source of

Carboxymethyl cellulose (CMC) is added in detergents to act as a/an

Function of thinner in a paint is to

Chalcopyrite is the main ore of

The amount of benzene present in pure Benzol 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.

Aryl benzene sulphonate (ABS) is a

Bio-degradable detergents

Mannheim furnace is used in the manufacture of

Bakelite is chemically known as

Concentration of hydrogen peroxide is done by

Prussian blue is chemically represented by

Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?

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Penicillin is separated from fermented broth by

Viscose rayon is chemically

Which of the following is a detergent?

Pick out the exothermic reaction out of the following:

Washing soda is chemically represented by

Pick out the correct statement.

The main component of Pyrex glass is

Refractory bricks having high thermal conductivity is desirable, when it is to be used in the

In primitive days, __________ was being manufactured by Leblanc Process.

Na₂CO₃.10H₂O is called

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

Pasteurisation of milk means

Also checkout

Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent.

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Mercury cells for caustic soda manufacture, compared to diaphragm cells

Haemoglobin is a/an

All enzymes are made of

Presence of sodium tripolyphosphate (an additive) in synthetic detergent

Sea weeds are an important source of

Carboxymethyl cellulose (CMC) is added in detergents to act as a/an

Function of thinner in a paint is to

Chalcopyrite is the main ore of

The amount of benzene present in pure Benzol 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.

Aryl benzene sulphonate (ABS) is a

Bio-degradable detergents

Mannheim furnace is used in the manufacture of

Bakelite is chemically known as

Concentration of hydrogen peroxide is done by

Prussian blue is chemically represented by

Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement?

Bisphenol A is produced by the condensation of acetone with

Penicillin is separated from fermented broth by

Viscose rayon is chemically

Which of the following is a detergent?

Pick out the exothermic reaction out of the following:

Washing soda is chemically represented by

Pick out the correct statement.

The main component of Pyrex glass is

Refractory bricks having high thermal conductivity is desirable, when it is to be used in the

In primitive days, __________ was being manufactured by Leblanc Process.

Na2CO3.10H2O is called

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

Pasteurisation of milk means

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Na₂CO₃.10H₂O is called