The most commonly used chemical coagulant in water treatment is (A) Ferrous sulphate (B) Alum (C) Lime (D) Hydrazine

The most commonly used chemical coagulant in water treatment is
(A) Ferrous sulphate
(B) Alum
(C) Lime
(D) Hydrazine
by

1 Answer

Answer :

(B) Alum
by

Related questions

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Description : Most widely and commonly used coagulant for the removal of suspended impurities in water is (A) Bleaching powder (B) Slaked lime (C) Alum (D) Copper sulphate

Last Answer : (C) Alum

Which is the most widely used coagulant for the treatment of turbid water? (A) Alum (aluminium sulphate) (B) Lime (C) Ferric chloride (D) Sodium aluminate

Description : Which is the most widely used coagulant for the treatment of turbid water? (A) Alum (aluminium sulphate) (B) Lime (C) Ferric chloride (D) Sodium aluminate

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Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by (A) Biological oxygen pond (B) Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) (C) Lagoons (D) Filtration

Description : Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by (A) Biological oxygen pond (B) Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) (C) Lagoons (D) Filtration

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Which of the following is used as a coagulant in water treatment? (A) Chloramine (B) Chlorine (C) Ferrous sulphate (D) Hydrogen peroxide

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Last Answer : ANS: B

Ferrous sulphate is used in water treatment as a/an - (1) Oxidizing agent (2) Reducing agent (3) Coagulant aid (4) Adsorbent

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Last Answer : (3) Coagulant aid

Ferrous sulphate is used in water treatment as a/an (1) Oxidizing agent (2) Reducing agent (3) Coagulant aid (4) Adsorbent

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Description : Temporary hardness of water can be removed by (A) Addition of alum (a coagulant) (B) Boiling (C) Filtration (through gravity sand filter) (D) Addition of lime

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The coagulant which is generally not used for treating the sewage, is A. Alum B. Ferric chloride C. Ferric sulphate D. Chlorinated copperas

Description : The coagulant which is generally not used for treating the sewage, is A. Alum B. Ferric chloride C. Ferric sulphate D. Chlorinated copperas

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Last Answer : (D) All (A), (B) and (C)

Alum is chemically (A) Copper sulphate (B) Aluminium sulphate (C) Ferrous sulphate (D) Ferric sulphate

Description : Alum is chemically (A) Copper sulphate (B) Aluminium sulphate (C) Ferrous sulphate (D) Ferric sulphate

Last Answer : (B) Aluminium sulphate

Anion exchanger is regenerated usually with (A) NaOH (B) H2SO4 (C) Hydrazine (D) Alum solution

Description : Anion exchanger is regenerated usually with (A) NaOH (B) H2SO4 (C) Hydrazine (D) Alum solution

Last Answer : (A) NaOH

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Description : Cation exchanger is regenerated usually with (A) NaOH (B) H2SO4 (C) Hydrazine (D) Alum solution

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Last Answer : (B) Lime

To control the growth of algae in reservoirs, the compound which is used, is (A) Bleaching powder (B) Copper sulphate (C) Lime solution(D) Alum solution

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Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex? (A) Ammonium alum (B) Potassium alum(C) Both ‘a’ & ‘b’(D) Neither ‘a’ nor ‘b

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Last Answer : (A) Permit the use of alum as a coagulant

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Last Answer : (2) Aluminium sulphate Explanation: Alum (Aluminium Sulfate) is used to stop bleeding. For example, Styptic pencils containing aluminium sulfate are used as astringents to prevent bleeding from small shaving cuts. It constricts blood vessels to stop the flow of blood.

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Last Answer : (A) Coagulant

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Calcium sulphate is known as-----? A. Epsom salt B. Gypsum salt (Answer) C. Blue vitriol D. Potash alum

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The temporary hardness of water can be removed by (A) Boiling (B) Adding lime (C) Adding alum (D) Filtration

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The most ideal disinfectant used for drinking water throughout the world, is (A) Alum (B) Lime (C) Chlorine (D) Nitrogen

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Permanent hardness of water can be removed by (A) Adding alum (B) Adding lime (C) Adding chlorine (D) Zeolite process

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Permanent – hardness of water may be removed by addition of (1) Alum (2) Sodium carbonate (3) Lime (4) Potassium Permangante

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Aluminium storage vessel can be used to store (A) Aqua regia (B) Ferrous sulphate (C) Hydrochloric acid (10%) (D) None of these

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__________ is not a fertiliser. (A) Calcium ammonium nitrate (B) Ferrous sulphate (C) Liquid ammonia (D) Ammonium sulphate

Description : __________ is not a fertiliser. (A) Calcium ammonium nitrate (B) Ferrous sulphate (C) Liquid ammonia (D) Ammonium sulphate

Last Answer : (B) Ferrous sulphate

Blue vitriol is chemically (A) Copper sulphate (B) Ferrous sulphate (C) Copper nitrate (D) Aluminium sulphate

Description : Blue vitriol is chemically (A) Copper sulphate (B) Ferrous sulphate (C) Copper nitrate (D) Aluminium sulphate

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Which of the following is an yellow pigment? (A) Titanium dioxide (B) Ferrous sulphate (C) Lead chromates (D) Zinc sulphides

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Pick out the true statement pertaining to water treatment. (A) Slow sand filters can remove colour completely (B) Activated carbon can be used for taste & odour control without subsequent filtration (C) Application of activated carbon reduces the temporary hardness of water (D) Normally, the turbidity is removed by adding a coagulant prior to sedimentation

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Last Answer : (D) Normally, the turbidity is removed by adding a coagulant prior to sedimentation

Which among the following changes are endothermic in nature (a) decomposition of ferrous sulphate (b) dissolution of ammonium chloride in water (c) both (a) and (b) (d) dilution of hydrochloric acid

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Saw dust can be rendered chemically inert by boiling it in water containing (A) Ferrous sulphate (B) Potassium chloride (C) Ammonia (D) Nitric acid

Description : Saw dust can be rendered chemically inert by boiling it in water containing (A) Ferrous sulphate (B) Potassium chloride (C) Ammonia (D) Nitric acid

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List any two observations when Ferrous Sulphate is heated in a dry test tube? -Science

Description : List any two observations when Ferrous Sulphate is heated in a dry test tube? -Science

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What is the colour of ferrous sulphate crystals? How does this colour change after heating? -Chemistry

Description : What is the colour of ferrous sulphate crystals? How does this colour change after heating? -Chemistry

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In the titration of `K_(2)Cr_(2)O_(7)` and ferrous sulphate, following data is obtained: `V_(1)` mL of `K_(2)Cr_(2)O_(7)` solution of molarity `M_(1)`

Description : In the titration of `K_(2)Cr_(2)O_(7)` and ferrous sulphate, following data is obtained: `V_(1)` mL of `K_(2)Cr_(2)O_(7)` solution of molarity `M_(1)`

Last Answer : In the titration of `K_(2)Cr_(2)O_(7)` and ferrous sulphate, following data is obtained: `V_(1)` mL of `K_(2)Cr_ ... V_(2)` D. `M_(1)V_(1)=M_(2)V_(2)`

An aluminium strip is kept immersed in a freshly prepared ferrous sulphate solution taken in a test tube, the change observed is that a) Green solution slowly turns brown b) Lower end of the test tube becomes slightly warm c)A colourless gas with smell of burning sulphur is evolved c)Light green solution changes to blue

Description : An aluminium strip is kept immersed in a freshly prepared ferrous sulphate solution taken in a test tube, the change observed is that a) Green solution slowly turns brown b) Lower end of the test ... c)A colourless gas with smell of burning sulphur is evolved c)Light green solution changes to blue

Last Answer : a) Green solution slowly turns brown