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

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
by

1 Answer

Answer :

(C) Alum
by

Related questions

The most widely used coagulant for removing suspended impurities from water is (A) Bleaching powder (B) Chlorine (C) Calcium sulphate (D) Alum

Description : The most widely used coagulant for removing suspended impurities from water is (A) Bleaching powder (B) Chlorine (C) Calcium sulphate (D) Alum

Last Answer : (D) Alum

For controlling algae, the most commonly used chemical, is (A) Copper sulphate (B) Alum (C) Lime (D) Bleaching powder

Description : For controlling algae, the most commonly used chemical, is  (A) Copper sulphate  (B) Alum  (C) Lime  (D) Bleaching powder 

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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

Description : 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 

Last Answer : (B) Copper sulphate

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

Last Answer : (A) Alum (aluminium sulphate)

Mostly used coagulant, is (A) Chlorine (B) Alum (C) Lime (D) Bleaching powder

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Last Answer : (B) Alum

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

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

Last Answer : (B) Alum

Foul odour and bad taste of water is removed by treating with (A) Alum (B) Bleaching powder (C) Activated carbon (D) Copper sulphate

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Last Answer : (C) Activated carbon

Q No: 291 The coagulant widely used for sewage treatment, is A. Alum B. Ferric chloride C. Ferric sulphate D. Chlorinated copperas

Description : Q No: 291 The coagulant widely used for sewage treatment, is A. Alum B. Ferric chloride C. Ferric sulphate D. Chlorinated copperas

Last Answer : ANS: B

Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on (A) Slaked lime (B) Soda lime (C) Calcium perchlorate (D) None of these

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Last Answer : (A) Slaked lime

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

Last Answer : (B) Radial settling tank (thickener) using coagulant (lime & ferrous sulphate)

Bleaching powder is prepared by passing – (1) Chlorine over slaked lime (2) Oxygen over slaked lime (3) Carbon dioxide over slaked lime (4) Chlorine over quick lirne

Description : Bleaching powder is prepared by passing – (1) Chlorine over slaked lime (2) Oxygen over slaked lime (3) Carbon dioxide over slaked lime (4) Chlorine over quick lirne

Last Answer : (1) Chlorine over slaked lime Explanation: Calcium hypochlorite (bleaching powder) is manufactured by the calcium process: 2Cl2 + 2Ca(OH)2 (slaked lime) Ca(OCl)2 + CaCl2 + 2H2O. Bleaching powder is actually a mixture of calcium hypochlorite and the basic chloride with some slaked lime.

Bleaching powder is prepared by passing : (1) Chlorine over slaked lime (2) Oxygen over slaked lime (3) Carbon dioxide over slaked lime (4) Chlorine over quick lirne

Description : Bleaching powder is prepared by passing : (1) Chlorine over slaked lime (2) Oxygen over slaked lime (3) Carbon dioxide over slaked lime (4) Chlorine over quick lirne

Last Answer : Chlorine over slaked lime

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Description : Bad odour in sanitary latrines is reduced by periodically sprinkling (A) Bleaching powder (B) Lime powder (C) Aluminium sulphate (D) None of these

Last Answer : Option B

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

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

Last Answer : (B) Boiling

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

Last Answer : ANS: A

Bleaching powder is used in drinking water as a/an – (1) disinfectant (2) antibiotic (3) antiseptic (4) coagulant

Description : Bleaching powder is used in drinking water as a/an – (1) disinfectant (2) antibiotic (3) antiseptic (4) coagulant

Last Answer : (1) disinfectant Explanation: Bleach refers to a number of chemicals which remove colour, whiten or disinfect, often via oxidation. Bleaches are used as household chemicals to whiten clothes and ... to control bacteria, viruses and algae and in any institution where sterile conditions are needed.

Bleaching powder is used in drinking water as a/an (1) disinfectant (2) antibiotic (3) antiseptic (4) coagulant

Description : Bleaching powder is used in drinking water as a/an (1) disinfectant (2) antibiotic (3) antiseptic (4) coagulant

Last Answer : disinfectant

Which one of the following is extensively used for sterilizing water? (1) Bleaching powder (2) Alum (3) Borax powder (4) Soda powder

Description : Which one of the following is extensively used for sterilizing water? (1) Bleaching powder (2) Alum (3) Borax powder (4) Soda powder

Last Answer : (1) Bleaching powder Explanation: Bleaching powder is extensively used in sterilizing water. Calcium hypochlorite is a chemical compound with formula Ca(OCl)2. It is widely used for water treatment and as a ... has two forms: a dry form and a hydrated form. The hydrated form is safer to handle.

Which one of the following is extensively used for sterilizing water ? (1) Bleaching powder (2) Alum (3) Borax powder (4) Soda powder

Description : Which one of the following is extensively used for sterilizing water ? (1) Bleaching powder (2) Alum (3) Borax powder (4) Soda powder

Last Answer : Bleaching powder

Pick out the one which is not a chemical coagulant. (A) Aluminium sulphate (B) Ferrous sulphate (C) Hydrated lime (D) Chloramine

Description : Pick out the one which is not a chemical coagulant. (A) Aluminium sulphate (B) Ferrous sulphate (C) Hydrated lime (D) Chloramine

Last Answer : (D) Chloramine

In sewage treatment, its sedimentation is speeded up by commonly adding (A) Hydrochloric acid (B) Lime (C) Copper sulphate (D) Sodium sulphate

Description : In sewage treatment, its sedimentation is speeded up by commonly adding (A) Hydrochloric acid (B) Lime (C) Copper sulphate (D) Sodium sulphate

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The commonly used lime in white washing is a) Hydraulic lime b) Slaked lime c) Plain lime d) White lime*

Description : The commonly used lime in white washing is a) Hydraulic lime b) Slaked lime c) Plain lime d) White lime*

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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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The purpose of adding Na2CO3 to water of low alkalinity is to (A) Permit the use of alum as a coagulant (B) Increase the softening capacity of zeolite (C) Facilitate easy regeneration of zeolite (D) All (A), (B) and (C)

Description : The purpose of adding Na2CO3 to water of low alkalinity is to (A) Permit the use of alum as a coagulant (B) Increase the softening capacity of zeolite (C) Facilitate easy regeneration of zeolite (D) All (A), (B) and (C)

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Aluminium salt commonly used to stop bleeding is - (1) Aluminium nitrate (2) Aluminium sulphate (3) Aluminium Chloride (4) Potash alum

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Description : Aluminium salt commonly used to stop bleeding is (1) Aluminium nitrate (2) Aluminium sulphate (3) Aluminium Chloride (4) Potash alum

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Lime water reacts with chlorine to give a) bleaching powder b) baking powder c) baking soda d) washing soda

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Last Answer : a) bleaching powder

Bleaching powder is made from - (1) Sulphur dioxide and gypsum (2) Chlorine and Charcoal (3) Soda ash and lime (4) Lime and Chlorine

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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

To remove very small amount of tiny solid impurities from liquid, we use a (A) Pressure filter (B) Vacuum filter (C) Centrifugal filter (D) Coagulant

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Description : Alum is a (A) Coagulant (B) Flocculent (C) Catalyst (D) Disinfectant

Last Answer : (A) Coagulant

Thissubstance is commonly used in the kitchen for making tasty crispy pakoras and is sometimes added for faster cooking. Which of the following is it? (1) Baking soda (2) Bleaching powder (3) Vinegar (4) Artificial sweeteners

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Addition of calcium oxide to water produces (A) Exothermic heat (B) Hissing sound (C) Slaked lime (D) All (A), (B) & (C)

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Which of the following is used as a coagulant in treating turbid water? (A) Chlorine (B) Ferric sulphate (C) Calcium sulphate (D) Activated carbon

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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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CaO is called (A) Quick lime (B) Slaked lime (C) Limestone (D) Calcite

Description : CaO is called (A) Quick lime (B) Slaked lime (C) Limestone (D) Calcite

Last Answer : (A) Quick lime

Ca(OH)2 is called (A) Quicklime (B) Slaked lime (C) Limestone (D) Gypsum

Description : Ca(OH)2 is called (A) Quicklime (B) Slaked lime (C) Limestone (D) Gypsum

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Rotary kiln is not involved in the production of (A) Cement (B) Lime from limestone (C) Slaked lime from quick lime (D) None of these

Description : Rotary kiln is not involved in the production of (A) Cement (B) Lime from limestone (C) Slaked lime from quick lime (D) None of these

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__________ of quicklime produces slaked lime. (A) Hydration (B) Dehydration (C) Hydrogenation (D) None of these

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(A) Washing soda (B) Soda ash (C) Slaked lime (D) Quicklime

Description : (A) Washing soda (B) Soda ash (C) Slaked lime (D) Quicklime

Last Answer : (A) Washing soda

__________ is used as a flux in the smelting of copper ore like chalcopyrite. (A) Coke breeze (B) Lime powder (C) Silica/quartz (D) Dolomite

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Very fine suspended and colloidal impurities are removed from water by a process called (A) Sedimentation (B) Coagulation (C) Disinfection (D) Softening

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Which of the following impurities in feed water for high pressure boiler is the most detrimental? (A) Silica (B) Dissolved oxygen (C) Suspended salt (D) Dissolved salt

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What happens when? a) A cleaned iron plate or iron nail is kept in 10g of copper sulphate solution. b) A pinch of mercuric oxide is kept in a test tube. c)A small crystal of silver nitrate is dissolved in distilled water and a drop of ammonium hydroxide & a pinch of glucose powder are added.

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Mortar is a mixture of water sand and (1) Slaked lime (2) Quick lime (3) Limestone (4) Gypsum

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The product obtained on mixing calcium oxide with water is called (A) Quicklime (B) Slaked lime (C) Milk of lime (D) None of these

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Last Answer : (B) Slaked lime

Mortar is a mixture of water, sand and (1) Slaked lime (2) Quick lime (3) Limestone (4) Gypsum

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Last Answer : Slaked lime

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

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

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

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

Last Answer : Coagulant aid