__________ paper is used in the manufacture of newsprint paper.

Question

__________ paper is used in the manufacture of newsprint paper.

A. Ground-wood

B. Board

C. Tissue

D. Wrapping

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Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at

A. 1 atm & 100°C

B. 5 atm & 275°C

C. 100 atm & 500°C

D. 50 atm & 1000°C

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Glauber's salt is chemically represented by

A. Na₂SO₄.10H₂O

B. CaCl(OCl)

C. CaSO₄.H₂O

D. (NH₄)₂SO₄

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Which of the following processes can remove both temporary as well as permanent hardness of water?

A. Filtration

B. Boiling

C. Distillation

D. None of these

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10% oleum comprises of 10% free

A. SO₂

B. H₂SO₃

C. SO₃

D. H₂SO₄

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Varnish does not contain

A. Thinner

B. Pigment

C. Both (A) & (B)

D. Neither (A) nor (B)

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Enzymes are organic catalysts used in the __________ reactions.

A. Chemical

B. Biochemical

C. Photochemical

D. Electrochemical

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Phenol formaldehyde is produced by condensation polymerisation. It is also known as

A. Teflon

B. Bakelite

C. Polyester

D. Nylon-66

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Hydrazine is used in water treatment for the removal of

A. Colloidal impurities

B. Dissolved oxygen

C. Turbidity

D. Chlorinous taste

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Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.

A. -83

B. -183

C. -196

D. -218

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Cation exchanger is regenerated usually with

A. NaOH

B. H₂SO₄

C. Hydrazine

D. Alum solution

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Pick out the wrong statement.

A. High early strength cement are made from materials having high silica to lime ratio

B. The function of gypsum in cement is to enhance its initial setting rate

C. Acid resistant cements are known as silicate cement

D. Major component of greyish Portland cement is tricalcium silicate

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Baking soda is chemically represented by

A. Na₂CO₃

B. NaHCO₃

C. Na₂CO₃.H₂O

D. Na₂CO₃.10H₂O

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Triple superphosphate is manufactured by reacting

A. Phosphate rock with phosphoric acid

B. Phosphate rock with sulphuric acid

C. Phosphate rock with nitric acid

D. Ammonium phosphate with phosphoric acid

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Bordeaux mixture is a/an

A. Fertiliser

B. Inorganic fungicide

C. Insecticide

D. Explosive

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Pick out the wrong statement.

A. Kraft method of pulp manufacture can process all types of fibrous raw materials

B. Digestion time for bagasse is less than that for wood base materials

C. Both temperature and pressure in the digestor is less in case of the sulphite method as compared to that in the sulphate method

D. None of these

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The most reactive allotropic form of phosphorus is __________ phosphorus.

A. Red

B. Yellow

C. Violet

D. Black

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Yellow glycerine is made into white, using

A. Activated carbon

B. Diatomaceous earth

C. Bauxite

D. Bentonite

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A 'unit process' is exemplified by the

A. Distillation

B. Hydrogenation of oils

C. Absorption

D. Humidification

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

A. Increases

B. Increases linearly

C. Decreases

D. Decreases linearly

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Na₂CO₃.10H₂O is called

A. Washing soda

B. Soda ash

C. Slaked lime

D. Quicklime

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The noble gas which occurs most abundantly in the atmosphere is

A. Helium

B. Neon

C. Krypton

D. Argon

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Dichloro diphenyl __________ is the full form of DDT (an insecticide).

A. Tetrachloroethane

B. Trichloroethane

C. Tetrachloromethane

D. Trichloromethane

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A good quality coal should have

A. Low fusion point of ash

B. High ash content

C. High sulphur content

D. None of these

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Which of the following is not produced commercially from sea water?

A. Magnesium & potassium compounds

B. Common salt

C. Bromine

D. Iodine

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Gun powder uses

A. Sulphur

B. Charcoal

C. Potassium nitrate

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

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

A. Alum

B. Washing soda

C. Soda ash

D. Calcium carbide

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Catalytic oxidation-dehydrogenation of methyl alcohol produces

A. Formaldehyde

B. Phenol

C. Acetone

D. Maleic anhydride

Discuss this answer

Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C.

A. -5 to 0

B. 5 to 10

C. 30 to 50

D. 75 to 80

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'Hollander beater' machine used in the paper manufacturing plant does not accomplish the task of

A. Final rolling out of paper

B. Cutting of fibres

C. Hydration of fibres

D. Fibrillation of fibre

Discuss this answer

Separation of fresh water from sea water can be done by the __________ operation.

A. Osmosis

B. Reverse osmosis

C. Absorption

D. Adsorption

Discuss this answer

Accepted Answer

A. Ground-wood

__________ paper is used in the manufacture of newsprint paper.

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at

Glauber's salt is chemically represented by

Which of the following processes can remove both temporary as well as permanent hardness of water?

10% oleum comprises of 10% free

Varnish does not contain

Enzymes are organic catalysts used in the __________ reactions.

Phenol formaldehyde is produced by condensation polymerisation. It is also known as

Hydrazine is used in water treatment for the removal of

Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.

Cation exchanger is regenerated usually with

Pick out the wrong statement.

Baking soda is chemically represented by

Triple superphosphate is manufactured by reacting

Bordeaux mixture is a/an

Pick out the wrong statement.

The most reactive allotropic form of phosphorus is __________ phosphorus.

Yellow glycerine is made into white, using

A 'unit process' is exemplified by the

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

Na₂CO₃.10H₂O is called

The noble gas which occurs most abundantly in the atmosphere is

Dichloro diphenyl __________ is the full form of DDT (an insecticide).

A good quality coal should have

Which of the following is not produced commercially from sea water?

Gun powder uses

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

Catalytic oxidation-dehydrogenation of methyl alcohol produces

Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C.

'Hollander beater' machine used in the paper manufacturing plant does not accomplish the task of

Separation of fresh water from sea water can be done by the __________ operation.

Also checkout

__________ paper is used in the manufacture of newsprint paper.

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at

Glauber's salt is chemically represented by

Which of the following processes can remove both temporary as well as permanent hardness of water?

10% oleum comprises of 10% free

Varnish does not contain

Enzymes are organic catalysts used in the __________ reactions.

Phenol formaldehyde is produced by condensation polymerisation. It is also known as

Hydrazine is used in water treatment for the removal of

Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.

Cation exchanger is regenerated usually with

Pick out the wrong statement.

Baking soda is chemically represented by

Triple superphosphate is manufactured by reacting

Bordeaux mixture is a/an

Pick out the wrong statement.

The most reactive allotropic form of phosphorus is __________ phosphorus.

Yellow glycerine is made into white, using

A 'unit process' is exemplified by the

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

Na2CO3.10H2O is called

The noble gas which occurs most abundantly in the atmosphere is

Dichloro diphenyl __________ is the full form of DDT (an insecticide).

A good quality coal should have

Which of the following is not produced commercially from sea water?

Gun powder uses

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

Catalytic oxidation-dehydrogenation of methyl alcohol produces

Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C.

'Hollander beater' machine used in the paper manufacturing plant does not accomplish the task of

Separation of fresh water from sea water can be done by the __________ operation.

Also checkout

Na₂CO₃.10H₂O is called