Which of the following statements about colloids is False ?

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Answer :

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

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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.

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.

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

Last Answer : The answer is 'Lyophilic'

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

Last Answer : answer:

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

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

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`

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.

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

Description : Is yogurt a solution suspension or colloids?

Last Answer : Colloid

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

Last Answer : Answer : A

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

Last Answer : Ans. Matric potential

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)

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

Last Answer : Ans:(d)

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)

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.

Description : Which colloids are solvent loving colloids?

Last Answer : Lyophilic

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.

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.

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.

Description : Lyophobic Colloids

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

Description : Lyophilic Colloids

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

Description : Colloids or Colloidal Solution

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

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)

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

Last Answer : (A) Colloids or aerosols

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

Last Answer : (C) Butter

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.

Description : Which colloids are solvent loving colloids?

Last Answer : Lyophilic

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

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

Last Answer : ANSWER: C -- COLLOIDS

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

Last Answer : ANSWER: TYNDALL EFFECT

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

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

Last Answer : Humus