Colloids are purified by (a) Peptisation (b) Coagulation (c) Condensation (d) Dialysis

Colloids are purified by (a) Peptisation (b) Coagulation (c) Condensation (d) Dialysis
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Bacterial aerobic oxidation of polluted water in biological oxidation ponds is done to purify it. Presence of bacteria helps in (A) Coagulation and flocculation of colloids (B) Oxidation of carbonaceous matter to CO2 (C) Nitrification or oxidation of ammonia derived from breakdown of nitrogenous organic matter to the nitrite and eventually to the nitrate (D) All (A), (B) and (C)

Description : Bacterial aerobic oxidation of polluted water in biological oxidation ponds is done to purify it. Presence of bacteria helps in (A) Coagulation and flocculation of colloids (B) Oxidation of carbonaceous matter to CO2 (C) ... to the nitrite and eventually to the nitrate (D) All (A), (B) and (C)

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

Alum stops bleeding in minor cuts because of – (1) solvation (2) emulsion (3) dialysis (4) coagulation

Description : Alum stops bleeding in minor cuts because of – (1) solvation (2) emulsion (3) dialysis (4) coagulation

Last Answer : (4) coagulation Explanation: Coagulation is the process by which blood forms clots. It is an important part of homeostasis, the cessation of blood loss from a damaged vessel, wherein a ... coagulation can lead to an increased risk of bleeding (hemorrhage) or obstructive clotting (thrombosis).

Explain the following terms : (i) Electrophoresis, (ii) Coagulation, (iii) Dialysis (iV) Tyndal Effect

Description : Explain the following terms : (i) Electrophoresis, (ii) Coagulation, (iii) Dialysis (iV) Tyndal Effect

Last Answer : (i) Electrophoresis :- The immigration of colloidal solute towards oppositely charged electrode under an electric potential is called Electrophoresis.  (ii) Coagulation :- The process of settling down ... The scattering of light in colloidal solution by colloidal solute is known as Tyndal effect.

Alum stops bleeding in minor cuts because of (1) solvation (2) emulsion (3) dialysis (4) coagulation

Description : Alum stops bleeding in minor cuts because of (1) solvation (2) emulsion (3) dialysis (4) coagulation

Last Answer : coagulation

Peptisation is :

Description : Peptisation is :

Last Answer : Peptisation is : A. conversion of a colloidal into precipitate form B. conversion of ... D. conversion of colloidal sol into macromolecules

What are colloids? What are its various properties -Science

Description : What are colloids? What are its various properties -Science

Last Answer : Colloid: A colloid is a heterogeneous mixture whose particles are not as small as solution but they are so small that cannot be seen by naked eye. When a beam of light is passed through a colloid then the path of the light becomes visible. For example milk, smoke etc.

Elements that show the properties of both metals and non-metals are called (a) Allotropes (b) Metalloids (c) Alloys (d) Colloids

Description : Elements that show the properties of both metals and non-metals are called (a) Allotropes (b) Metalloids (c) Alloys (d) Colloids

Last Answer : Ans:(b)

Colloids (a) Are true solutions (b) Are suspensions of one phase in another (c) Are two-phase systems (d) Contain only water soluble substances

Description : Colloids (a) Are true solutions (b) Are suspensions of one phase in another (c) Are two-phase systems (d) Contain only water soluble substances

Last Answer : Ans:(c)

Which colloids are solvent loving colloids? -General Knowledge

Description : Which colloids are solvent loving colloids? -General Knowledge

Last Answer : The answer is 'Lyophilic'

Which colloids are solvent loving colloids? -General Knowledge

Description : Which colloids are solvent loving colloids? -General Knowledge

Last Answer : answer:

Among the colloids cheese (C), milk (M) and smoke (S), the correct combination of the dispered phase and dispersion medium, respectively is :

Description : Among the colloids cheese (C), milk (M) and smoke (S), the correct combination of the dispered phase and dispersion medium, respectively is :

Last Answer : Among the colloids cheese (C), milk (M) and smoke (S), the correct combination of the dispered phase and ... , M : liquid in solid, S : solid in gas

Which of the following statements about colloids is False ?

Description : Which of the following statements about colloids is False ?

Last Answer : Which of the following statements about colloids is False ? A. When silver nitrate ... colloidal solution, colloidal particle will be precipitated.

Gold numbers of some colloids are : Gelatin : 0.005 - 0.01 , Gum Arabic : 0.15 - 0.25, Oleate : 0.04 - 1.0, Starch : 15 - 25. Which among these is a b

Description : Gold numbers of some colloids are : Gelatin : 0.005 - 0.01 , Gum Arabic : 0.15 - 0.25, Oleate : 0.04 - 1.0, Starch : 15 - 25. Which among these is a b

Last Answer : Gold numbers of some colloids are : Gelatin : 0.005 - 0.01 , Gum Arabic : 0.15 - 0.25, Oleate ... ? A. Gelatin B. Starch C. Gum Arabic D. Oleate

Gold numbers of protective colloids A, B, C and D are `0.50, 0.01, 0.10` and `0.005` respectively. The correct order of their protective powers is

Description : Gold numbers of protective colloids A, B, C and D are `0.50, 0.01, 0.10` and `0.005` respectively. The correct order of their protective powers is

Last Answer : Gold numbers of protective colloids A, B, C and D are `0.50, 0.01, 0.10` and `0.005` respectively. The correct ... lt A lt C` D. `D lt A lt C lt B`

When negatively charged colloids like `As_(2)S_(3)` sol is added to positively charged `Fe(OH)_(3)` sol in suitable amounts

Description : When negatively charged colloids like `As_(2)S_(3)` sol is added to positively charged `Fe(OH)_(3)` sol in suitable amounts

Last Answer : When negatively charged colloids like `As_(2)S_(3)` sol is added to positively charged `Fe ... colloids. D. They become negatively charged colloids.

Which of the following are multimolecular colloids ?

Description : Which of the following are multimolecular colloids ?

Last Answer : Which of the following are multimolecular colloids ? A. Sulphur B. Egg albumin in water C. Gold sol D. Soap solution

Among the following number of correct statements are : (i) Stability of lyophilic colloids is mainly due to the strong interaction between dispersed p

Description : Among the following number of correct statements are : (i) Stability of lyophilic colloids is mainly due to the strong interaction between dispersed p

Last Answer : Among the following number of correct statements are : (i) Stability of lyophilic colloids is ... solution is lesser than that of dispersion medium.

Is yogurt a solution suspension or colloids?

Description : Is yogurt a solution suspension or colloids?

Last Answer : Colloid

Water soluble molecular aggregates of lipids are known as (A) Micelle (B) Colloids (C) Sphingol (D) Mucin

Description : Water soluble molecular aggregates of lipids are known as (A) Micelle (B) Colloids (C) Sphingol (D) Mucin

Last Answer : Answer : A

The component of water potential which determine by the attraction between water and hydrating colloids.

Description : The component of water potential which determine by the attraction between water and hydrating colloids.

Last Answer : Ans. Matric potential

The organic matter present in soil is known collectively as – (1) Hydrocarbons (2) Podsols (3) Humus (4) Colloids

Description : The organic matter present in soil is known collectively as – (1) Hydrocarbons (2) Podsols (3) Humus (4) Colloids

Last Answer : (3) Humus Explanation: The organic matter present in soil is known collectively as humus. Humus is fully decomposed and finely divided organic matter. Dune is a hill or ridge of sand accumulated and sorted by wind action.

Which colloids are solvent loving colloids?

Description : Which colloids are solvent loving colloids?

Last Answer : Lyophilic

Associated Colloids

Description : Associated Colloids

Last Answer : Associated Colloids :Those colloids which behave as strong electrolyte at low concentration but at high concentration behave like colloids due to formation of aggregated particle of colloidal dimensions. For eg. Micelles are associated colloids.

Macromolecular colloids

Description : Macromolecular colloids

Last Answer : Macromolecular colloids : A colloid in which the size of dispersed particles are in a colloidal range. Such dispersed phase in dispersion medium is called Macromolecular colloids. For Eg. Proteins, Starch and Cellulose form macromolecular colloids.

Multimolecular Colloids

Description : Multimolecular Colloids

Last Answer : Multimolecular Colloids: A colloid in which large no. of atoms or smaller molecules aggregate together to form species having size in colloidal range for eg. A sulphur sol consists of particles containing about a thousand of S8 molecule.

Lyophobic Colloids

Description : Lyophobic Colloids

Last Answer : Lyophobic Colloids :- Those colloids which are solvent hating. It is irreversible Sols.

Lyophilic Colloids

Description : Lyophilic Colloids

Last Answer : Lyophilic Colloids : Those colloids which are solvents loving or attracting they are reversible Sols.

Colloids or Colloidal Solution

Description : Colloids or Colloidal Solution

Last Answer : Colloids or Colloidal Solution : A heterogeneous solution in which dispersed phase mixed in dispersion medium.

5-200 μm size particles are called (A) Colloids or aerosols (B) Powder (C) Dust (D) Smoke

Description : 5-200 μm size particles are called (A) Colloids or aerosols (B) Powder (C) Dust (D) Smoke

Last Answer : (A) Colloids or aerosols

Fat dispersed in water is exemplified by (A) Colloids (B) Gel (C) Butter (D) Emulsion

Description : Fat dispersed in water is exemplified by (A) Colloids (B) Gel (C) Butter (D) Emulsion

Last Answer : (C) Butter

Which of the following colloids is expensive but rapidly expands plasma volume? a) Albumin Albumin is a colloid that requires human donors, is limited in supply, and can cause congestive heart failure. b) Dextran Dextran is a colloid, synthetic plasma expander that interferes with platelet aggregation and is not recommended for hemorrhagic shock. c) Lactated Ringers Lactated ringers is a crystalloid, not a colloid. d) Hypertonic Saline Hypertonic saline is a crystalloid, not a colloid.

Description : Which of the following colloids is expensive but rapidly expands plasma volume? a) Albumin Albumin is a colloid that requires human donors, is limited in supply, and can cause congestive heart failure ... , not a colloid. d) Hypertonic Saline Hypertonic saline is a crystalloid, not a colloid.

Last Answer : a) Albumin Albumin is a colloid that requires human donors, is limited in supply, and can cause congestive heart failure.

Which colloids are solvent loving colloids?

Description : Which colloids are solvent loving colloids?

Last Answer : Lyophilic

Ionic substances dissolve in water to form: w) highly acid solutions x) electrolytic solutions y) colloids z) emulsions

Description : Ionic substances dissolve in water to form: w) highly acid solutions x) electrolytic solutions y) colloids z) emulsions

Last Answer : ANSWER: X -- ELECTROLYTIC SOLUTIONS

Gels and Foams are classified as: w) solutions x) emulsions y) colloids z) suspensions

Description : Gels and Foams are classified as: w) solutions x) emulsions y) colloids z) suspensions

Last Answer : ANSWER: C -- COLLOIDS

Name the effect that is caused by scattering of light in colloids or suspensions.

Description : Name the effect that is caused by scattering of light in colloids or suspensions.

Last Answer : ANSWER: TYNDALL EFFECT

1. Which disease is caused by bacteria and spread though faecal matter by houseflies? 2. Who is the ex-officio Chairman of Rajya Sabha? 3. Which colloids are solvent loving colloids? 4. Among the Union Territories of India, which one has the largest size? 5. During which reign was the Purana Qila constructed?

Description : 1. Which disease is caused by bacteria and spread though faecal matter by houseflies? 2. Who is the ex-officio Chairman of Rajya Sabha? 3. Which colloids are solvent loving colloids? 4. ... to the formation of the Himalayas? 20. The Maratha power reached its zenith during which Peshwaship?

Last Answer : Answer : 1. Typhoid 2. Vice-President 3. Lyophilic 4. Pondicherry 5. Sher Shah 6. Merv Hughes 7. Disguised 8. Aquarium 9. Tamil Nadu 10. Guru Gobind Singh 11. Regulating Act 12. Metal 13 ... 16. Lausanne 17. Biology and diversity 18. Justice Ramaswami 19. Folding of the geosyncline 20. Balaji II

The organic matter present in soil is known collectively as (1) Hydrocarbons (2)Podsols (3) Humus (4)Colloids

Description : The organic matter present in soil is known collectively as (1) Hydrocarbons (2)Podsols (3) Humus (4)Colloids

Last Answer : Humus

Mass spectrometry- how to identify if the mass spectrograph of a purified sample is a certain chemical given main mass components?

Description : Mass spectrometry- how to identify if the mass spectrograph of a purified sample is a certain chemical given main mass components?

Last Answer : I really should know how to do that. I’m glad my AP Chem teacher doesn’t Fluther.

Which of the following cannot be purified by sublimation? (a) Iodine (b) Camphor (c) Citric acid (d) Naphthalene

Description : Which of the following cannot be purified by sublimation? (a) Iodine (b) Camphor (c) Citric acid (d) Naphthalene

Last Answer : Ans:(c)

Which of the following can be purified by the electrolytic method? (a) Sodium (Na) (b) Copper (Cu) (c) Boron (B) (d) Chlorine (C12)

Description : Which of the following can be purified by the electrolytic method? (a) Sodium (Na) (b) Copper (Cu) (c) Boron (B) (d) Chlorine (C12)

Last Answer : Ans:129

Camphor can easily be purified by the process of (a) Sublimation (b) Distillation (c) Crystallisation (d) Sedimentation

Description : Camphor can easily be purified by the process of (a) Sublimation (b) Distillation (c) Crystallisation (d) Sedimentation

Last Answer : Ans:(a)

How can petroleum be purified?

Description : How can petroleum be purified?

Last Answer : Fractional distillation

The element which is purified by melt- ing?

Description : The element which is purified by melt- ing?

Last Answer : Lead

Which are the two lower chambers of the heart from which purified blood flows out?

Description : Which are the two lower chambers of the heart from which purified blood flows out?

Last Answer : Ventricles

The haemodialyzer has semi-permeable lining of tubes which help to: (a) To maintain osmotic pressure of blood. (b) To filter nitrogenous wastes from the dialyzing solution. (c) In passing the waste product, in the dialyzing solution. (d) To pump purified blood back into the body of the patient.

Description : The haemodialyzer has semi-permeable lining of tubes which help to: (a) To maintain osmotic pressure of blood. (b) To filter nitrogenous wastes from the dialyzing solution. (c) In passing the waste product, in the dialyzing solution. (d) To pump purified blood back into the body of the patient.

Last Answer : (c) In passing the waste product, in the dialyzing solution.

How can water be purified in the laboratory?

Description : How can water be purified in the laboratory?

Last Answer : In the laboratory, water can be purified by a process called distillation.

What is the role of purified linseed oil in oil painting?

Description : What is the role of purified linseed oil in oil painting?

Last Answer : It makes the paint flow better. It’s the equivalent of using water with watercolors or acrylics.

How schools in Nazi Germany were 'cleansed' and 'purified'? -History 9th

Description : How schools in Nazi Germany were 'cleansed' and 'purified'? -History 9th

Last Answer : 1.Jew teachers were removed. 2. Students were separated on the basis of race. 3. Undesirable kids were later removed from the school and killed. 4. School books were re-written. 5. Students were taught to ... join . The 10 year old had to join ‘Jungvolk' and 14 year old ‘Hitler Youth'.

In which plant phytochrome is isolated and purified? -Biology

Description : In which plant phytochrome is isolated and purified? -Biology

Last Answer : answer:

In which plant phytochrome is isolated and purified? -Biology

Description : In which plant phytochrome is isolated and purified? -Biology

Last Answer : answer: