Brackish water which contains mostly dissolved salt, can be purified by the __________ process.

Question

Brackish water which contains mostly dissolved salt, can be purified by the __________ process.

A. Reverse osmosis

B. Sand filter

C. Lime soda

D. Permutit

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Chalcopyrite is the main ore of

A. Copper

B. Lead

C. Tin

D. Iron

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Yeast is used in the manufacture of

A. Penicillin

B. Antibiotics

C. Wine

D. Pasteurised milk

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Starting raw material for the manufacture of alum is

A. Alumina

B. Gypsum

C. Bauxite

D. Ammonium bicarbonate

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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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Deacon's method is used for the manufacture of

A. Glauber's salt

B. Common salt

C. Chlorine

D. Graphite electrode

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Common salt is generally not produced commonly by __________ method from brine.

A. Freeze drying

B. Electrolytic

C. Solar evaporation

D. Vacuum evaporation

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Pick out the wrong statement.

A. Catalytic hydrogenation of carbon monoxide produces methyl alcohol

B. In nylon-6, the number 6 represents the total number of carbon atoms in the ring

C. Raw materials for DDT manufacture are benzene and chlorine

D. Ethanolamines are produced by using ammonia and ethylene oxide as raw material

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In the manufacture of viscose rayon, the raw material used industrially is

A. Eucalyptus wood

B. Bamboo

C. Bagasse

D. Fine teak wood

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Phosphate rock is a raw material for the manufacture of

A. Phosphoric acid

B. Phosphorous

C. Superphosphates

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

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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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__________ glass has the lowest co-efficient of thermal expansion and hence is more heat resistant.

A. Pyrex

B. Soda lime

C. Lead

D. High silica

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__________ acid is an unsaturated fatty acid.

A. Palmitic

B. Oleic

C. Stearic

D. Oxalic

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Inversion of sucrose produces

A. Fructose

B. Glucose

C. Both (A) & (B)

D. Neither (A) nor (B)

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Production of one ton of dry paper pulp requires about __________ tons of bamboo or wood.

A. 1

B. 2.5

C. 5

D. 10

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__________ Nature of hypo (sodium thiosulphate) makes it useful in photography.

A. Oxidising

B. Reducing

C. Complex forming

D. Photochemical

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Ethyl alcohol cannot be produced

A. From waste sulphite substrate of paper mills

B. By Esterification and hydrolysis of ethylene

C. From molasses

D. None of these

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Catalyst used in the hydrogenation of oil is

A. Nickel

B. Platinum

C. Iron

D. Alumina

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Polythene is a/an __________ polymerisation product.

A. Addition

B. Condensation

C. Thermosetting

D. None of these

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Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is

A. 0.14

B. 0.34

C. 0.94

D. 1.4

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Oxidation of SO₂ to SO₃ is favoured by

A. Low temperature and low pressure

B. Low temperature and high pressure

C. High temperature and low pressure

D. High temperature and high pressure

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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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The combustion reaction, C + O₂ = CO₂, is

A. Exothermic

B. Endothermic

C. Autocatalytic

D. None of these

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Washing soda is chemically represented by

A. Na₂CO₃

B. Na₂CO₃.H₂O

C. Na₂CO₃.10H₂O

D. NaHCO₃

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The basic difference between vegetable oils and fats is in their

A. Density

B. Chemical properties

C. Physical state

D. Composition

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Molecular weights of polymers are in the range of

A. 10² - 10²

B. 10⁵ - 10⁹

C. 10² - 10⁷

D. 10⁹ - 10¹¹

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

A. 1 - 2

B. 15 - 20

C. 50 - 60

D. 80 - 85

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Presence of carbonaceous matter in the sewage

A. Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic creatures

B. Reduces sulphate ions to sulphides causing obnoxious smell

C. Increases the quantity of chlorine used for its purification

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

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Widely used method for the conditioning of boiler feed water is the

A. Cold lime process

B. Coagulation

C. Hot-lime soda process

D. Sequestration

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Pure rectified spirit contains about __________ percent alcohol.

A. 45

B. 70

C. 95

D. 99.5

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Drinking (potable) water treatment does not involve

A. Coagulation

B. Sedimentation

C. Softening

D. Disinfection

Discuss this answer

Accepted Answer

A. Reverse osmosis

Brackish water which contains mostly dissolved salt, can be purified by the __________ process.

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Chalcopyrite is the main ore of

Yeast is used in the manufacture of

Starting raw material for the manufacture of alum is

The most reactive allotropic form of phosphorus is __________ phosphorus.

Deacon's method is used for the manufacture of

Common salt is generally not produced commonly by __________ method from brine.

Pick out the wrong statement.

In the manufacture of viscose rayon, the raw material used industrially is

Phosphate rock is a raw material for the manufacture of

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

__________ glass has the lowest co-efficient of thermal expansion and hence is more heat resistant.

__________ acid is an unsaturated fatty acid.

Inversion of sucrose produces

Production of one ton of dry paper pulp requires about __________ tons of bamboo or wood.

__________ Nature of hypo (sodium thiosulphate) makes it useful in photography.

Ethyl alcohol cannot be produced

Catalyst used in the hydrogenation of oil is

Polythene is a/an __________ polymerisation product.

Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is

Oxidation of SO₂ to SO₃ is favoured by

A good quality coal should have

The combustion reaction, C + O₂ = CO₂, is

Washing soda is chemically represented by

The basic difference between vegetable oils and fats is in their

Molecular weights of polymers are in the range of

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

Presence of carbonaceous matter in the sewage

Widely used method for the conditioning of boiler feed water is the

Pure rectified spirit contains about __________ percent alcohol.

Drinking (potable) water treatment does not involve

Also checkout

Brackish water which contains mostly dissolved salt, can be purified by the __________ process.

Correct Answer :

Show all Chemical Process MCQ

Related Questions

Chalcopyrite is the main ore of

Yeast is used in the manufacture of

Starting raw material for the manufacture of alum is

The most reactive allotropic form of phosphorus is __________ phosphorus.

Deacon's method is used for the manufacture of

Common salt is generally not produced commonly by __________ method from brine.

Pick out the wrong statement.

In the manufacture of viscose rayon, the raw material used industrially is

Phosphate rock is a raw material for the manufacture of

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

__________ glass has the lowest co-efficient of thermal expansion and hence is more heat resistant.

__________ acid is an unsaturated fatty acid.

Inversion of sucrose produces

Production of one ton of dry paper pulp requires about __________ tons of bamboo or wood.

__________ Nature of hypo (sodium thiosulphate) makes it useful in photography.

Ethyl alcohol cannot be produced

Catalyst used in the hydrogenation of oil is

Polythene is a/an __________ polymerisation product.

Argon is the third largest constituent of air (followed by N2 & O2). Its percentage by volume in air is

Oxidation of SO2 to SO3 is favoured by

A good quality coal should have

The combustion reaction, C + O2 = CO2, is

Washing soda is chemically represented by

The basic difference between vegetable oils and fats is in their

Molecular weights of polymers are in the range of

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

Presence of carbonaceous matter in the sewage

Widely used method for the conditioning of boiler feed water is the

Pure rectified spirit contains about __________ percent alcohol.

Drinking (potable) water treatment does not involve

Also checkout

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

Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is

Oxidation of SO₂ to SO₃ is favoured by

The combustion reaction, C + O₂ = CO₂, is