The protcting power of lyophilic colloidal solution is expressed in terms of

The protcting power of lyophilic colloidal solution is expressed in terms of
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The protcting power of lyophilic colloidal solution is expressed in terms of A. Critical number B. ... number C. Coagulation value D. Gold number
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The protecting power of lyophilic colloidal sol is expressed in terms of (1) Oxidation number (2) Coagulation value (3) Gold number (4) Critical miscelle concentration

Description : The protecting power of lyophilic colloidal sol is expressed in terms of (1) Oxidation number (2) Coagulation value (3) Gold number (4) Critical miscelle concentration

Last Answer : Gold number

which of the following statements is correct for a lyophilic solution?

Description : which of the following statements is correct for a lyophilic solution?

Last Answer : which of the following statements is correct for a lyophilic solution? A. It is not easily solvated B ... unstable D. It is quite stable in a solvent

Gold number of some lyophilic sols are : Which has maximum protective power :

Description : Gold number of some lyophilic sols are : Which has maximum protective power :

Last Answer : Gold number of some lyophilic sols are : Which has maximum protective power : A. I B. II C. III D. IV

Assertion :- Lyophilic sol is more stable than lyophobic sol. Reason :- Lyophilic sol have greater solvation energy then lyophobic sol.

Description : Assertion :- Lyophilic sol is more stable than lyophobic sol. Reason :- Lyophilic sol have greater solvation energy then lyophobic sol.

Last Answer : Assertion :- Lyophilic sol is more stable than lyophobic sol. Reason :- Lyophilic sol have greater ... D. If both Assertion & Reason are False.

Assertion :- Lyophilic sol coagulate by adding other solvent. Reason :- Lyophilic sol are stable due to hydration energy.

Description : Assertion :- Lyophilic sol coagulate by adding other solvent. Reason :- Lyophilic sol are stable due to hydration energy.

Last Answer : Assertion :- Lyophilic sol coagulate by adding other solvent. Reason :- Lyophilic sol are stable due to ... D. If both Assertion & Reason are False.

Lyophilic sol are

Description : Lyophilic sol are

Last Answer : Lyophilic sol are A. Irreversible sols B. They are prepared from inorganic compound C. Coagulated by adding electrolytes D. Self-stabilizing

Comprehension # 1 Many lyophilic sols and few lyophobic sols when coagulated under some special conditions changes into semi rigid mass, enclosing who

Description : Comprehension # 1 Many lyophilic sols and few lyophobic sols when coagulated under some special conditions changes into semi rigid mass, enclosing who

Last Answer : Comprehension # 1 Many lyophilic sols and few lyophobic sols when coagulated under some special ... . thixotropy C. double decompostion D. peptization

Comprehension # 1 Many lyophilic sols and few lyophobic sols when coagulated under some special conditions changes into semi rigid mass, enclosing who

Description : Comprehension # 1 Many lyophilic sols and few lyophobic sols when coagulated under some special conditions changes into semi rigid mass, enclosing who

Last Answer : Comprehension # 1 Many lyophilic sols and few lyophobic sols when coagulated under some special ... B. synersis C. coagulation D. thixotropy

Comprehension # 1 Many lyophilic sols and few lyophobic sols when coagulated under some special conditions changes into semi rigid mass, enclosing who

Description : Comprehension # 1 Many lyophilic sols and few lyophobic sols when coagulated under some special conditions changes into semi rigid mass, enclosing who

Last Answer : Comprehension # 1 Many lyophilic sols and few lyophobic sols when coagulated under some special conditions ... Calcium acetate C. Hair gel D. Cheese

Which of the following is/are not true for lyophilic colloid ?

Description : Which of the following is/are not true for lyophilic colloid ?

Last Answer : Which of the following is/are not true for lyophilic colloid ? A. These are prepared ... electrolyte is sufficient to cause precipitation of these.

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.

Distinguish between Lyophobic and Lyophilic sols.

Description : Distinguish between Lyophobic and Lyophilic sols.

Last Answer : Distinguish between Lyophobic and Lyophilic sols.

Lyophilic Colloids

Description : Lyophilic Colloids

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

Explain why particles of a colloidal solution do not settle down when left undisturbed, while in the case of a suspension they do? -Maths 9th

Description : Explain why particles of a colloidal solution do not settle down when left undisturbed, while in the case of a suspension they do? -Maths 9th

Last Answer : The colloidal particles are smaller and not heavy. They always remain in a state of zig-zag motion, called Brownian movement, which counters the force of gravity acting on colloidal particles and ... particles of suspension are larger, heavy and have less movement, thus settle down due to gravity.

Explain why particles of a colloidal solution do not settle down when left undisturbed, while in the case of a suspension they do? -Maths 9th

Description : Explain why particles of a colloidal solution do not settle down when left undisturbed, while in the case of a suspension they do? -Maths 9th

Last Answer : The colloidal particles are smaller and not heavy. They always remain in a state of zig-zag motion, called Brownian movement, which counters the force of gravity acting on colloidal particles and ... particles of suspension are larger, heavy and have less movement, thus settle down due to gravity.

Which colloidal solution is used in photography? -Do You Know?

Description : Which colloidal solution is used in photography? -Do You Know?

Last Answer : Photographic emulsion is a light-sensitive colloid used in film-based photography. Most commonly, in silver-gelatin photography, it consists of silver halide crystals dispersed in gelatin.

Which colloidal solution is commonly used as germ killer? -Do You Know?

Description : Which colloidal solution is commonly used as germ killer? -Do You Know?

Last Answer : colloidal solution is commonly used as germ killer soo therefore the option a is correct

Assertion :- A gas mixed with another gas forms a colloidal solution. Reason :- Mixture of gases is homogenous system.

Description : Assertion :- A gas mixed with another gas forms a colloidal solution. Reason :- Mixture of gases is homogenous system.

Last Answer : Assertion :- A gas mixed with another gas forms a colloidal solution. Reason :- Mixture of gases is ... . D. If both Assertion & Reason are False.

Colloidal solution show in `H_(2)O` :-

Description : Colloidal solution show in `H_(2)O` :-

Last Answer : Colloidal solution show in `H_(2)O` :- A. Paramagnetism B. Scttering of light (tyndall effect) C. Refraction D. All of these

Soaps essentially form a colloidal solution in water and remove the greasy matters by :

Description : Soaps essentially form a colloidal solution in water and remove the greasy matters by :

Last Answer : Soaps essentially form a colloidal solution in water and remove the greasy matters by : A. adsorption B. emulsification C. coagulation D. absorption

The volume of a colloidal particle `V_C` as compared to the volume of a solute particle in a true solution `V_S` could be

Description : The volume of a colloidal particle `V_C` as compared to the volume of a solute particle in a true solution `V_S` could be

Last Answer : The volume of a colloidal particle `V_C` as compared to the volume of a solute particle in a true solution `V_S` could ... `~ 10^(-3)` D. `~ 10^(3)`

A colloidal solution can be purified by the following method :

Description : A colloidal solution can be purified by the following method :

Last Answer : A colloidal solution can be purified by the following method : A. dialysis B. peptization C. filtration D. oxidation

Colloidal solution of gold prepared by different methods of different colours because of :

Description : Colloidal solution of gold prepared by different methods of different colours because of :

Last Answer : Colloidal solution of gold prepared by different methods of different colours because of : A ... particles D. impurities produced by different methods

Fog is a colloidal solution of (a) liquid in gas (b) solid in gas (c) gas in solid (d) gas in liquid

Description : Fog is a colloidal solution of (a) liquid in gas (b) solid in gas (c) gas in solid (d) gas in liquid

Last Answer : Ans:(a)

The medicines are most effective, if they are administered in the (a) colloidal state (b) solid state (c) solution state (d) gaseous state

Description : The medicines are most effective, if they are administered in the (a) colloidal state (b) solid state (c) solution state (d) gaseous state

Last Answer : Ans:(a)

(2) Fat is dispersed in water Explanation: A colloid is a substance microscopically dispersed evenly throughout another substance. A colloidal system consists of two separate phases: a dispersed phase (or internal phase) and a continuous phase (or dispersion medium) in which the colloid is dispersed. A colloidal system may be solid, liquid, or gas. Milk is an emulsified colloid of liquid butterfat globules dispersed within a water-based solution.

Description : (2) Fat is dispersed in water Explanation: A colloid is a substance microscopically dispersed evenly throughout another substance. A colloidal system consists of two separate phases: a dispersed ... Milk is an emulsified colloid of liquid butterfat globules dispersed within a water-based solution.

Last Answer : The presence of ozone in the stratosphere is responsible for – (1) increasing the average global temperature in recent years (2) higher rate of photosynthesis (3) checking the penetration of ultra-violet rays to the earth (4) supplying oxygen for people travelling in jets

(2) Fat is dispersed in water Explanation: A colloid is a substance microscopically dispersed evenly throughout another substance. A colloidal system consists of two separate phases: a dispersed phase (or internal phase) and a continuous phase (or dispersion medium) in which the colloid is dispersed. A colloidal system may be solid, liquid, or gas. Milk is an emulsified colloid of liquid butterfat globules dispersed within a water-based solution.

Description : (2) Fat is dispersed in water Explanation: A colloid is a substance microscopically dispersed evenly throughout another substance. A colloidal system consists of two separate phases: a dispersed ... Milk is an emulsified colloid of liquid butterfat globules dispersed within a water-based solution.

Last Answer : The presence of ozone in the stratosphere is responsible for – (1) increasing the average global temperature in recent years (2) higher rate of photosynthesis (3) checking the penetration of ultra-violet rays to the earth (4) supplying oxygen for people travelling in jets

An emulsion is a colloidal solution of - (1) Liquid in liquid (2) Solid in liquid (3) Gas in solid (4) Solid in Solid

Description : An emulsion is a colloidal solution of - (1) Liquid in liquid (2) Solid in liquid (3) Gas in solid (4) Solid in Solid

Last Answer : (1) Liquid in liquid Explanation: An emulsion is a mixture of two or more liquids that are normally immiscible (unmixable or unblendable). Emulsions are part of a more general class ... of emulsions include vinaigrettes, homogenized milk, mayonnaise, and some cutting fluids for metal working.

An alloy is an example of : (1) Colloidal solution (2) Emulsion (3) Solid solution (4) Heterogeneous mixture

Description : An alloy is an example of : (1) Colloidal solution (2) Emulsion (3) Solid solution (4) Heterogeneous mixture

Last Answer : (3) Solid solution Explanation: A Solid solution is a uniform mixture of substances in solid form.

When a strong beam of light is passed through a colloidal solution, the light will – (1) be scattered (2) pass unchanged (3) be absorbed (4) be reflected

Description : When a strong beam of light is passed through a colloidal solution, the light will – (1) be scattered (2) pass unchanged (3) be absorbed (4) be reflected

Last Answer : (1) be scattered Explanation: When a strong beam of light is passed through a colloidal solution, the light will be scattered.

Which colloidal solution is commonly used as germ killer?

Description : Which colloidal solution is commonly used as germ killer?

Last Answer : Colloidal sulphur

Which colloidal solution is used in photography?

Description : Which colloidal solution is used in photography?

Last Answer : Colloidal silver bromite

A colloidal solution formed between two liquids is called?

Description : A colloidal solution formed between two liquids is called?

Last Answer : Emulsion

How can a colloidal solution and true solution of the same colour be distinguished from each other?

Description : How can a colloidal solution and true solution of the same colour be distinguished from each other?

Last Answer : Ans.: By Tyndal effect( colloidal solution will scatter light and path becomes lighted where as no such phenomena is observed in true solution.)

What type of colloidal sols are formed in the following ? (i) Sulphur vapours are passed through cold water. (ii) White of an egg is mixed with water. (iii) Concentration of soap solution is increased.

Description : What type of colloidal sols are formed in the following ? (i) Sulphur vapours are passed through cold water. (ii) White of an egg is mixed with water. (iii) Concentration of soap solution is increased.

Last Answer : (i) Multimolecular colloid (ii) Macromolecular colloid (iii) Associated colloid.

A sol is prepared by addition to excess AgNO3 solution in KI solution. What charge is likely to develop on the colloidal particles ?

Description : A sol is prepared by addition to excess AgNO3 solution in KI solution. What charge is likely to develop on the colloidal particles ?

Last Answer : Ans. Positive. 

The colloidal solution of gold prepared by different methods have different colours. Why ?

Description : The colloidal solution of gold prepared by different methods have different colours. Why ?

Last Answer : Ans. Due to difference in the size of colloidal particles. 

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.

Non-colloidal solution is an example of the __________ fluid. (A) Non-Newtonian (B) Newtonian (C) Dilatent (D) Pseudo-plastic

Description : Non-colloidal solution is an example of the __________ fluid. (A) Non-Newtonian (B) Newtonian (C) Dilatent (D) Pseudo-plastic

Last Answer : (B) Newtonian

Which of the following is a Newtonian fluid? (A) Rubber latex (B) Sewage sludge (C) Quicksand (D) Non-colloidal solution

Description : Which of the following is a Newtonian fluid? (A) Rubber latex (B) Sewage sludge (C) Quicksand (D) Non-colloidal solution

Last Answer : (D) Non-colloidal solution

Which colloidal solution is used in photography?

Description : Which colloidal solution is used in photography?

Last Answer : Colloidal silver bromite

What is colloidal solution?

Description : What is colloidal solution?

Last Answer : Ans: A solution in which solute particles are bigger than those present in a true solution and which cannot be filtered id called a colloidal solution.

High molecular weight, pharmacodynamically inert, nonantigenic substances which form colloidal solution are used as: A. Osmotic purgatives B. Osmotic diuretics C. Plasma expanders D. All of the above

Description : High molecular weight, pharmacodynamically inert, nonantigenic substances which form colloidal solution are used as: A. Osmotic purgatives B. Osmotic diuretics C. Plasma expanders D. All of the above

Last Answer : C. Plasma expanders

Choose the correct statement about osmotic diuretics: A. They are large molecular weight substances which form colloidal solution B. Their primary site of action is collecting ducts in the kidney C. They increase water excretion without increasing salt excretion D. They can lower intraocular pressure

Description : Choose the correct statement about osmotic diuretics: A. They are large molecular weight substances which form colloidal solution B. Their primary site of action is collecting ducts in the ... C. They increase water excretion without increasing salt excretion D. They can lower intraocular pressure

Last Answer : D. They can lower intraocular pressure

One property a colloidal dispersion has that a solution does not is: w) homogeneity x) filterability y) the Tyndall effect z) osmotic pressure

Description : One property a colloidal dispersion has that a solution does not is: w) homogeneity x) filterability y) the Tyndall effect z) osmotic pressure

Last Answer : ANSWER: Y -- THE TYNDALL EFFECT 

1. Who among the following was an eminent Painter? 2. Which colloidal solution is commonly used as germ killer? 3. Which is an insectivorous plant? 4. Which is a north flowing river? 5. Who followed the policy of ‘masterly inactivity’ towards Afghanistan?

Description : 1. Who among the following was an eminent Painter? 2. Which colloidal solution is commonly used as germ killer? 3. Which is an insectivorous plant? 4. Which is a north flowing river? 5. Who ... activity in India found? 20. Where did the Indian National Army (I.N.A.) come into existence?

Last Answer : Answer : 1. Sarada Ukil 2. Colloidal sulphur 3. Pitcher plant 4. Chambal 5. Sir John Lawrence 6. Dr. B. N. Rao 7. Syndicate Bank 8. Bharatnatyam 9. Karnataka to Tamil Nadu 10. Lord Mayo ... . Lala Lajpat Rai 16. January 27 17. Land Development Bank 18. Colloidal state 19. Dalmia hill 20. Singapore

An emulsion is a colloidal solution of (1) Liquid in liquid (2) Solid in liquid (3) Gas in solid (4) Solid in Solid

Description : An emulsion is a colloidal solution of (1) Liquid in liquid (2) Solid in liquid (3) Gas in solid (4) Solid in Solid

Last Answer :  Liquid in liquid

A substance which readily forms colloidal solution in contact with water is called (1) Extrinsic colloid (2) Associated colloid (3) Hydrophobic colloid (4) Hydrophilic colloid

Description : A substance which readily forms colloidal solution in contact with water is called (1) Extrinsic colloid (2) Associated colloid (3) Hydrophobic colloid (4) Hydrophilic colloid 

Last Answer : Hydrophilic colloid

When a strong beam of light is passed through a colloidal solution, the light will (1) be scattered (2) pass unchanged (3) be absorbed (4) be reflected

Description : When a strong beam of light is passed through a colloidal solution, the light will (1) be scattered (2) pass unchanged (3) be absorbed (4) be reflected

Last Answer : be scattered

How does a SSB transmitter output power normally expressed? A. Average power B. In terms of peak envelop power C. In terms of peak-to-peak power D. Peak power

Description : How does a SSB transmitter output power normally expressed? A. Average power B. In terms of peak envelop power C. In terms of peak-to-peak power D. Peak power

Last Answer : B. In terms of peak envelop power