Paper grade bamboo contains about __________ percent cellulose.

Question

Paper grade bamboo contains about __________ percent cellulose.

A. 5

B. 20

C. 40

D. 60

Correct Answer :

A. 5

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Drinking (potable) water treatment does not involve

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Thermoplastic materials

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Esterification reaction produces

C. Soap

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Which of the following is an unsaturated fatty acid?

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Polymethyl methacrylate (PMMA) is known as

B. Teflon

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Penicillin is separated from fermented broth by

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Pure rectified spirit contains about __________ percent alcohol.

A. 45

B. 70

C. 95

D. 99.5

Discuss this answer

Which of the following coals has the highest calorific value?

D. Peat

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Sulphuric acid completely saturated with sulphur trioxide is called

B. Oleum

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Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively

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

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Which of the following is used as a coagulant in water treatment?

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Heating of __________ to 120°C, produces plaster of paris.

B. Gypsum

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

B. Acidic

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Paper grade bamboo contains about __________ percent cellulose.

A. 5

B. 20

C. 40

D. 60

Discuss this answer

Neon gas is

Discuss this answer

With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide

Discuss this answer

Yellow phosphorus is transported under

A. Air

B. Water

D. Helium

Discuss this answer

Fat splitting catalyst is

B. ZnO

D. Fe

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The basic difference between vegetable oils and fats is in their

Discuss this answer

Aryl benzene sulphonate (ABS) is a

Discuss this answer

Percentage of glycerine present in the spent lye obtained during soap manufacture is about

A. 0.5

B. 5

C. 20

D. 35

Discuss this answer

Sucrose content in cane sugar may be around __________ percent.

A. 50

B. 70

C. 95

D. 80

Discuss this answer

Shaving soaps are

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Glycerine is a by-product of the __________ industry.

A. Soap

D. Paint

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Alum is commercially produced from

A. Gypsum

C. Galena

Discuss this answer

__________ is obtained as a by-product in the manufacture of sodium hydroxide using brine.

Discuss this answer

Portland cement consists mainly of

Discuss this answer

Pick out the wrong statement.

Discuss this answer

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

A. 2

B. 10

C. 25

D. 50

Discuss this answer

Answer 1

A. Coagulation

Answer 2

B. Sedimentation

Answer 3

C. Softening

Answer 4

D. Disinfection

Answer 5

A. Do not soften on application of heat

Answer 6

B. Are heavily branched molecules

Answer 7

C. Are solvent insoluble

Answer 8

D. None of these

Answer 9

A. Detergent

Answer 10

B. Vanaspati

Answer 11

D. Mercaptans

Answer 12

A. Lauric acid

Answer 13

B. Palmitic acid

Answer 14

C. Stearic acid

Answer 15

D. Oleic acid

Answer 16

A. Bakelite

Answer 17

C. Perspex

Answer 18

D. Nylon-6

Answer 19

A. Extraction with amyl or butyl acetate

Answer 20

B. Ternary Azeotropic distillation

Answer 21

C. Evaporator in calandria

Answer 22

D. Extractive distillation

Answer 23

A. Lignite

Answer 24

B. Sub-bituminous

Answer 25

C. Anthracite

Answer 26

A. Concentrated sulphuric acid

Answer 27

C. Sulphurous acid

Answer 28

D. Dilute sulphuric acid

Answer 29

A. V₂O₅ & Cr₂O₃.

Answer 30

B. Oxides of nitrogen & Cr₂O₃

Answer 31

C. V₂O₅ on a porous carrier & oxides of nitrogen

Answer 32

D. Oxides of nitrogen & V₂O₅ on a porous carrier

Answer 33

A. Glycerine

Answer 34

B. Salt petre

Answer 35

C. Nitro glycerine

Answer 36

D. Dynamite

Answer 37

A. Chloramine

Answer 38

B. Chlorine

Answer 39

C. Ferrous sulphate

Answer 40

D. Hydrogen peroxide

Answer 41

A. Blue vitriol

Answer 42

C. Calcium silicate

Answer 43

D. Calcium sulphate

Answer 44

A. Alkaline

Answer 45

C. Neutral

Answer 46

D. None of these

Answer 47

A. Flammable in nature

Answer 48

B. Used in color discharge tube

Answer 49

C. Filled in lamps having tungsten filament

Answer 50

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

Answer 51

A. Increases

Answer 52

B. Increases linearly

Answer 53

C. Decreases

Answer 54

D. Decreases linearly

Answer 55

C. Nitrogen

Answer 56

A. CaCO₃

Answer 57

C. Al₂O₃

Answer 58

A. Density

Answer 59

B. Chemical properties

Answer 60

C. Physical state

Answer 61

D. Composition

Answer 62

A. Detergent

Answer 63

B. Plasticiser for unsaturated polyester

Answer 64

C. Starting material for the synthesis of glycerine

Answer 65

D. Coating ingredient for photographic film

Answer 66

A. Soft potassium soaps (potassium salt of fatty acid) with free Stearic acid to give lather a lasting property

Answer 67

B. Metallic soaps compounded with frothing agents

Answer 68

C. High free alkali soaps having excess of cane sugar and alcohol

Answer 69

D. None of these

Answer 70

B. Detergent

Answer 71

C. Oil hydrogenation

Answer 72

B. Feldspar

Answer 73

D. Bauxite

Answer 74

A. Chlorine

Answer 75

B. Ammonium chloride

Answer 76

C. Sodium carbonate

Answer 77

D. Sodium bi-carbonate

Answer 78

A. CaO & SiO₂

Answer 79

B. SiO₂ & Al₂O₃

Answer 80

C. CaO & Al₂O₃

Answer 81

D. CaO & Fe₂O₃

Answer 82

A. Conversion of SO₂ to SO₃ in Monsanto-4 pass converter is about 98%

Answer 83

B. The chemical formula of oleum is H2S2O7, which is formed by saturating sulphuric acid with sulphur trioxide

Answer 84

C. Vitriol oil is nothing but technical sulphuric acid

Answer 85

D. Decomposition of sulphuric acid on heating does not start before its boiling

Paper grade bamboo contains about __________ percent cellulose.

Correct Answer :

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Related Questions

Drinking (potable) water treatment does not involve

Thermoplastic materials

Esterification reaction produces

Which of the following is an unsaturated fatty acid?

Polymethyl methacrylate (PMMA) is known as

Penicillin is separated from fermented broth by

Pure rectified spirit contains about __________ percent alcohol.

Which of the following coals has the highest calorific value?

Sulphuric acid completely saturated with sulphur trioxide is called

Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively

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Which of the following is used as a coagulant in water treatment?

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Neon gas is

With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide

Yellow phosphorus is transported under

Fat splitting catalyst is

The basic difference between vegetable oils and fats is in their

Aryl benzene sulphonate (ABS) is a

Percentage of glycerine present in the spent lye obtained during soap manufacture is about

Sucrose content in cane sugar may be around __________ percent.

Shaving soaps are

Glycerine is a by-product of the __________ industry.

Alum is commercially produced from

__________ is obtained as a by-product in the manufacture of sodium hydroxide using brine.

Portland cement consists mainly of

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

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