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

Question

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

A. Sodium silicate

B. Sodium borate

C. Sodium tripolyphosphate (STPP)

D. Caustic soda

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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

A. Sulphuric acid

B. Phosphoric acid

C. Hydrochloric acid

D. Hydrofluoric acid

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Calgon used in water treatment is chemically

A. Sodium phosphate

B. Sodium hexametaphosphate

C. Calcium phosphate

D. Tricresyl phosphate

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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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Conversion of SO2 to SO3 in Monsanto 4-pass converter is about __________ percent.

A. 80

B. 90

C. 98

D. 100

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The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.

A. 800

B. 1600

C. 4000

D. 8500

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L.D. converter is used in the production of

A. Pig iron

B. Steel

C. Copper

D. Zinc

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Which of the following has sodium bicarbonate as its main constituent?

A. Baking soda

B. Baking powder

C. Washing soda

D. None of these

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Fat dispersed in water is exemplified by

A. Colloids

B. Gel

C. Butter

D. Emulsion

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What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell?

A. Cl₂ & Na

B. Cl₂ & H₂

C. O₂ & H₂

D. Cl₂, H₂ & NaOH solution

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Mercury cells for caustic soda manufacture, compared to diaphragm cells

A. Require lower initial investment

B. Require more power

C. Produce lower concentration NaOH

D. None of these

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Lime and soda ash are added to water to remove

A. Bicarbonates & sulphates of calcium and magnesium

B. Undesirable taste and odour

C. Bacteria

D. Its corrosiveness

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Pasteurisation of milk means

A. Removal of fatty and albuminous substance from it

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

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

D. None of these

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Which oil is preferred for paint manufacture?

A. Drying oil

B. Non-drying oil

C. Semi-drying oil

D. Saturated oil

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__________ is an ore concentrating metallurgical process involving a chemical change.

A. Electromagnetic separation

B. Froth floatation

C. Roasting

D. None of these

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In multistage equilibrium conversion of SO₂ to SO₃ (2SO₂ + O₂ 2SO₃), the reverse reaction becomes appreciable at a temperature of 550° C. The percentage equilibrium conversion of SO₂ to SO₃ can be increased by

A. Increasing the oxygen concentration

B. Putting more quantity of V2O5 catalyst in the converter

C. Removing some quantity of SO3 during intermediate stage

D. Maintaining low temperature & pressure in the converter

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Hydrogenation of vegetable oils is a/an __________ reaction.

A. Endothermic

B. Autocatalytic

C. Exothermic

D. Homogenous

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Linde process of gas liquefaction employs

A. Exchange of heat with colder stream

B. Adiabatic expansion through a throttle valve (Joule-Thomson expansion)

C. Adiabatic expansion against a piston or in a turbine

D. Merely compressing the gas beyond its critical pressure

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The terminology 'BTX' used in coal tar distillation industry refers to

A. Benzol-toluol-xylol

B. Benzol-toluene-xylene

C. Benzene-toluol-xylol

D. Benzene-toluene-xylene

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Use of hydrated lime in water treatment

A. Before filtration, reduces the bacterial load on filters

B. After filtration, combats the corrosiveness of water due to the presence of O₂ & CO₂

C. Is to adjust the pH value

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

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

A. Al₂O₃

B. CaO

C. SiO₂

D. Fe₂O₃

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A unit operation is exemplified by the process of

A. Reduction

B. Desorption

C. Nitration

D. Combustion

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Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the

A. Fertiliser manufacture

B. Car battery solution

C. Synthesis of oleum

D. Water treatment

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Essential oils are usually obtained using

A. Steam distillation

B. Extractive distillation

C. Solvent extraction

D. Leaching

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Alum is commercially produced from

A. Gypsum

B. Feldspar

C. Galena

D. Bauxite

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Flash point of most vegetable oils is about __________ °C.

A. 50

B. 100

C. 200

D. 300

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Bromine is used in the preparation of

A. Fire extinguishing compounds

B. Fire proofing agents

C. Dyes and antiknock compounds

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

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Dehydrogenation of ethyl benzene produces

A. Styrene

B. Naphthalene

C. Phenol

D. Benzoic acid

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Type of glass used in optical work is the __________ glass.

A. Soda-lime

B. Fibre

C. Lead

D. Borosilicate

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Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it

A. Has larger production capacity per unit cell

B. Consumes less power per ton of Cl2 produced

C. Produces high purity (70%) caustic soda directly

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

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How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln?

A. 500°C

B. 750°C

C. 1000°C

D. 1500°C

Discuss this answer

Accepted Answer

B. Sodium borate

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

Correct Answer :

Show all Chemical Process MCQ

Related Questions

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

Calgon used in water treatment is chemically

Pick out the wrong statement.

Conversion of SO2 to SO3 in Monsanto 4-pass converter is about __________ percent.

The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.

L.D. converter is used in the production of

Which of the following has sodium bicarbonate as its main constituent?

Fat dispersed in water is exemplified by

What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell?

Mercury cells for caustic soda manufacture, compared to diaphragm cells

Lime and soda ash are added to water to remove

Pasteurisation of milk means

Which oil is preferred for paint manufacture?

__________ is an ore concentrating metallurgical process involving a chemical change.

In multistage equilibrium conversion of SO₂ to SO₃ (2SO₂ + O₂ 2SO₃), the reverse reaction becomes appreciable at a temperature of 550° C. The percentage equilibrium conversion of SO₂ to SO₃ can be increased by

Hydrogenation of vegetable oils is a/an __________ reaction.

Linde process of gas liquefaction employs

The terminology 'BTX' used in coal tar distillation industry refers to

Use of hydrated lime in water treatment

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

A unit operation is exemplified by the process of

Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the

Essential oils are usually obtained using

Alum is commercially produced from

Flash point of most vegetable oils is about __________ °C.

Bromine is used in the preparation of

Dehydrogenation of ethyl benzene produces

Type of glass used in optical work is the __________ glass.

Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it

How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln?

Also checkout

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

Correct Answer :

Show all Chemical Process MCQ

Related Questions

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

Calgon used in water treatment is chemically

Pick out the wrong statement.

Conversion of SO2 to SO3 in Monsanto 4-pass converter is about __________ percent.

The compressive strength of cement should not be less than about 110Kg/cm2 after three days & not less than 170Kg/cm2 after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm2/gm.

L.D. converter is used in the production of

Which of the following has sodium bicarbonate as its main constituent?

Fat dispersed in water is exemplified by

What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell?

Mercury cells for caustic soda manufacture, compared to diaphragm cells

Lime and soda ash are added to water to remove

Pasteurisation of milk means

Which oil is preferred for paint manufacture?

__________ is an ore concentrating metallurgical process involving a chemical change.

In multistage equilibrium conversion of SO2 to SO3 (2SO2 + O2 2SO3), the reverse reaction becomes appreciable at a temperature of 550° C. The percentage equilibrium conversion of SO2 to SO3 can be increased by

Hydrogenation of vegetable oils is a/an __________ reaction.

Linde process of gas liquefaction employs

The terminology 'BTX' used in coal tar distillation industry refers to

Use of hydrated lime in water treatment

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

A unit operation is exemplified by the process of

Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the

Essential oils are usually obtained using

Alum is commercially produced from

Flash point of most vegetable oils is about __________ °C.

Bromine is used in the preparation of

Dehydrogenation of ethyl benzene produces

Type of glass used in optical work is the __________ glass.

Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it

How much temperature is maintained during quicklime manufacture in the calcination zone of the vertical shaft kiln?

Also checkout

The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.

In multistage equilibrium conversion of SO₂ to SO₃ (2SO₂ + O₂ 2SO₃), the reverse reaction becomes appreciable at a temperature of 550° C. The percentage equilibrium conversion of SO₂ to SO₃ can be increased by