Gold number of a lyphilic sol is such property that:

Gold number of a lyphilic sol is such property that:
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Gold number of a lyphilic sol is such property that: A. the larger its value, the greater ... larger its value, the greater is the protecting power
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Gold number of haemoglobin is 0.03. Hence 100 ml of gold sol will require haemoglobin so that gold is not coagulated by 10 ml of 10% NaCl solution

Description : Gold number of haemoglobin is 0.03. Hence 100 ml of gold sol will require haemoglobin so that gold is not coagulated by 10 ml of 10% NaCl solution

Last Answer : Gold number of haemoglobin is 0.03. Hence 100 ml of gold sol will require haemoglobin so that gold is not coagulated ... B. 30 mg C. 0.30 mg D. 3 mg

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

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Haemoglobin and gold sol are examples of

Description : Haemoglobin and gold sol are examples of

Last Answer : Haemoglobin and gold sol are examples of A. negatively charged sols B. positively charged ... D. negatively and positively charged sol, repectively

Select the only incorrect option for gold sol.

Description : Select the only incorrect option for gold sol.

Last Answer : Select the only incorrect option for gold sol. A. (II) (ii) (P) B. (II) (iii) (S) C. (III) (iv) (S) D. (II) (iii) (Q)

Out of NaCl, MgSO4 , Al2 (SO4 ) 3 , K4 [Fe(CN)6 ], which one will bring about the coagulation of a gold sol quickest and in the least of concentration ?

Description : Out of NaCl, MgSO4 , Al2 (SO4 ) 3 , K4 [Fe(CN)6 ], which one will bring about the coagulation of a gold sol quickest and in the least of concentration ?

Last Answer : Ans. Al2 (SO4 ) 3 .

What happens to a gold sol if gelatin is added to it ?

Description : What happens to a gold sol if gelatin is added to it ?

Last Answer : Ans. It causes stabilisation of gold sol. 

If an electric field is applied to a colloidal sol, the dispersed phase particles are found to move towards the electrode of opposite charge. If however, the dispersed phase is made stationary, the dispersion medium is found to move in the opposite direction. What is the term used for such movement of dispersion medium ?

Description : If an electric field is applied to a colloidal sol, the dispersed phase particles are found to move towards the electrode of opposite charge. If however, the dispersed phase is made stationary, the ... move in the opposite direction. What is the term used for such movement of dispersion medium ?

Last Answer : Ans. Electro osmosis. 

Is it safe to mix Pine Sol and Javex?

Description : Is it safe to mix Pine Sol and Javex?

Last Answer : These should not be mixed. The MSDS for Pine Sol says it should not be mixed with bleach-containing products. I had to look Javex up, but found that it is bleach (basically Clorox). Mixing these together can cause harmful chlorine gas which can irritate the eyes and more.

Why did the use these particular syllables in the do,re,me,fa,sol,la,ti,do series ?

Description : Why did the use these particular syllables in the do,re,me,fa,sol,la,ti,do series ?

Last Answer : Huh?

Laptop screen doesn't light up but I can log on, am I SOL?

Description : Laptop screen doesn't light up but I can log on, am I SOL?

Last Answer : Its probably fixable however it will most likely be cheaper to get a new laptop I’d imagine.

Assertion Colloidal sols scatter light while true solutions do not. Reason The particles in the colloidal sol move slower than that of the true solutions. -Chemistry

Description : Assertion Colloidal sols scatter light while true solutions do not. Reason The particles in the colloidal sol move slower than that of the true solutions. -Chemistry

Last Answer : Both assertion and reason are true but the reason is not the correct explanation of assertion. The size of colloidal particles is large enough to scatter light while particles of a true solution are too small to scatter light.

Solve for x: Sol. 3x/7 + 2/7 + 4(x + 1)/5 = 2/3(2x + 1) -Maths 9th

Description : Solve for x: Sol. 3x/7 + 2/7 + 4(x + 1)/5 = 2/3(2x + 1) -Maths 9th

Last Answer : Solution :-

How to differentiate between sol, solution and suspension? -Chemistry 9th

Description : How to differentiate between sol, solution and suspension? -Chemistry 9th

Last Answer : CharacteristicsSolSolutionSuspensionMixture TypeHeterogeneousHomogeneousHeterogeneousParticle size10-7 - 10-5cmLess than 1nmMore than 100nmTyndall effectExhibits the Tyndall effectDoes not exhibit the Tyndall effectMay or may ... , blood, smokeSalt solution, Sugar solutionSand in water, dusty air

what It is the sol-fa syllable of the note placed on the ledger line below the staff?

Description : what It is the sol-fa syllable of the note placed on the ledger line below the staff?

Last Answer : sorry guys if i put a wrong sentence dont read the what just read the beggining in it

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.

Assertion :- A sol of `As_(2)S_(3)` prepared by the action of `H_(2)S` on `As_(2)O_(3)` is negatively charge. Reason :- Due to adsorption of `S^(-2)`

Description : Assertion :- A sol of `As_(2)S_(3)` prepared by the action of `H_(2)S` on `As_(2)O_(3)` is negatively charge. Reason :- Due to adsorption of `S^(-2)`

Last Answer : Assertion :- A sol of `As_(2)S_(3)` prepared by the action of `H_(2)S` on `As_(2)O_(3) ... Reason is False. D. If both Assertion & Reason are False.

The coagulating power of electrolytes having ions `Na^(+),Al^(3+)` and `Ba^(2+)` for aresenic sulphide sol increases in the order :-

Description : The coagulating power of electrolytes having ions `Na^(+),Al^(3+)` and `Ba^(2+)` for aresenic sulphide sol increases in the order :-

Last Answer : The coagulating power of electrolytes having ions `Na^(+),Al^(3+)` and `Ba^(2+)` for aresenic sulphide sol increases ... `Al^(3+)lt Na^(+)lt Ba^(2+)`

An example solid sol of

Description : An example solid sol of

Last Answer : An example solid sol of A. Butter B. Hair cream C. Paint D. Gem stones

For coagulation of arsenious sulphide sol, which one of the following salt solution will be most effective ?

Description : For coagulation of arsenious sulphide sol, which one of the following salt solution will be most effective ?

Last Answer : For coagulation of arsenious sulphide sol, which one of the following salt solution will be most effective ? A. `Na_( ... (3)` C. `BaCl_(2)` D. `NaCl`

Smoke is a colloidal sol of

Description : Smoke is a colloidal sol of

Last Answer : Smoke is a colloidal sol of A. Gas dispersed in a solid B. solid dispersed in a gas C. solid dispersed in a liquid D. gas dispersed in a liquid

The most appropriate method of making egg-albumin sol is :

Description : The most appropriate method of making egg-albumin sol is :

Last Answer : The most appropriate method of making egg-albumin sol is : A. Keep the egg in boiling water for 10 ... of `5%` w/V saline solution and stir well.

The coagulating power of electrolytes having inos `Na^(o+),Al^(3+)` and `Ba^(2+)` for arsenic sulphide sol increases in the order

Description : The coagulating power of electrolytes having inos `Na^(o+),Al^(3+)` and `Ba^(2+)` for arsenic sulphide sol increases in the order

Last Answer : The coagulating power of electrolytes having inos `Na^(o+),Al^(3+)` and `Ba^(2+)` for arsenic sulphide sol ... `Al^(3+) lt Na^(+) lt Ba^(2+)`

Among the electrolytes `Na_(2),SO_(4),CaCl_(2),Al_(2)(SO_(4))_(3) and NH_(4)Cl`, the most effective coagulating agent for `Sb_(2)S_(3)` sol is

Description : Among the electrolytes `Na_(2),SO_(4),CaCl_(2),Al_(2)(SO_(4))_(3) and NH_(4)Cl`, the most effective coagulating agent for `Sb_(2)S_(3)` sol is

Last Answer : Among the electrolytes `Na_(2),SO_(4),CaCl_(2),Al_(2)(SO_(4))_(3) and NH_(4)Cl`, the most effective coagulating ... `Al_(2)(SO_(4))_(3)` D. `NH_(4)Cl`

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

Select the only correct option `Fe(OH)_(3)` sol.

Description : Select the only correct option `Fe(OH)_(3)` sol.

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Select the only incorrect option for `Agl//I^(-)` sol.

Description : Select the only incorrect option for `Agl//I^(-)` sol.

Last Answer : Select the only incorrect option for `Agl//I^(-)` sol. A. (II) (ii) (P) B. (IV) (iv) (P) C. (II) (iii) (S) D. (IV) (iii) (Q)

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.

The minimum concentration of an electrolyte required to cause coagulation of a sol is called its flocculation value. It is expressed in millimoles per

Description : The minimum concentration of an electrolyte required to cause coagulation of a sol is called its flocculation value. It is expressed in millimoles per

Last Answer : The minimum concentration of an electrolyte required to cause coagulation of a sol is called its ... )` sol so that flocculation just starts ?

For the just coagultion of 250 mL of `Fe(OH)_(3)` sol, 2 mL of `1 M Na_(2)SO_(4)` electrolyte is required. What is the coagulating value of `Na_(2)SO_

Description : For the just coagultion of 250 mL of `Fe(OH)_(3)` sol, 2 mL of `1 M Na_(2)SO_(4)` electrolyte is required. What is the coagulating value of `Na_(2)SO_

Last Answer : For the just coagultion of 250 mL of `Fe(OH)_(3)` sol, 2 mL of `1 M Na_(2)SO_(4)` ... What is the coagulating value of `Na_(2)SO_(4)` electrolyte.

Coagulation value of the electrolytes `AlCl_(3)` and NaCl for `As_(2)S_(3)` sol are 0.093 and 52 respectively. How many times `AlCl_(3)` has greater c

Description : Coagulation value of the electrolytes `AlCl_(3)` and NaCl for `As_(2)S_(3)` sol are 0.093 and 52 respectively. How many times `AlCl_(3)` has greater c

Last Answer : Coagulation value of the electrolytes `AlCl_(3)` and NaCl for `As_(2)S_(3)` sol are 0.093 ... `AlCl_(3)` has greater coagulating power than NaCl?

Arsenic sulphide forms a sol with a negative charge. Which of the following ionic substances should be most effective in coagulating the sol?

Description : Arsenic sulphide forms a sol with a negative charge. Which of the following ionic substances should be most effective in coagulating the sol?

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Each of these are added to a mixture of aqueous solutions of iodide and `CHCl_(3)` separately. Which will give a positive test for iodine when the sol

Description : Each of these are added to a mixture of aqueous solutions of iodide and `CHCl_(3)` separately. Which will give a positive test for iodine when the sol

Last Answer : Each of these are added to a mixture of aqueous solutions of iodide and `CHCl_(3)` separately. ... . NaBr solution C. Chlorine water D. Bromine water

What happens when a beam of light is passed through a colloidal sol?

Description : What happens when a beam of light is passed through a colloidal sol?

Last Answer : What happens when a beam of light is passed through a colloidal sol?

An inorganic compound X reacts with water to form two cid Y and Z. X also reacts with NaOH to form two salts B and C which remain in solution. The sol

Description : An inorganic compound X reacts with water to form two cid Y and Z. X also reacts with NaOH to form two salts B and C which remain in solution. The sol

Last Answer : An inorganic compound X reacts with water to form two cid Y and Z. X also reacts with NaOH to form two salts B ... ` C. `SbCl_(3)` D. `PCl_(3)F_(2)`

How do businesses affect the standard of living (SOL) in a country Does Quality of Life always go up when SOL goes up Explain?

Description : How do businesses affect the standard of living (SOL) in a country Does Quality of Life always go up when SOL goes up Explain?

Last Answer : Feel Free to Answer

Is it safe to use Pine-Sol cleaner on my hardwood floors?

Description : Is it safe to use Pine-Sol cleaner on my hardwood floors?

Last Answer : Pine-Sol cleaner is safe to use on any sealed surface.

A colloidal system in which a liquid is dispersed in a liquid is called – (1) gel (2) emulsion (3) sol (4) precipitate

Description : A colloidal system in which a liquid is dispersed in a liquid is called – (1) gel (2) emulsion (3) sol (4) precipitate

Last Answer : (2) emulsion Explanation: An emulsion is a mixture of two or more liquids that are normally immiscible (nonmixable or unblendable). Emulsions are part of a more general class of two-phase ... ). Examples of emulsions include vinaigrettes, milk, mayonnaise, and some cutting fluids for metal working.

Solvent used in duo-sol extraction for lube oil upgradation is a mixture of (A) Propane & phenol-cresol mixture(B) Methyl ethyl ketone & glycol(C) Phenol & furfural(D) Propane & liquid sulphur dioxide

Description : Solvent used in duo-sol extraction for lube oil upgradation is a mixture of (A) Propane & phenol-cresol mixture (B) Methyl ethyl ketone & glycol (C) Phenol & furfural (D) Propane & liquid sulphur dioxide

Last Answer : (A) Propane & phenol-cresol mixture

What is observed (i) When a beam of light is pressed through a colloidal sol (ii) An electrolyte, NaCl is added to hydrated ferric oxide sol. (iii) Electric current is passed through colloidal sol.

Description : What is observed (i) When a beam of light is pressed through a colloidal sol (ii) An electrolyte, NaCl is added to hydrated ferric oxide sol. (iii) Electric current is passed through colloidal sol.

Last Answer : Ans.: (i) Tyndal Effect (iv) Coagulation (v) Electrophoresis

SnO2 forms a positively charged colloidal sol in acidic medium and a negatively charged sol in the basic medium. Why ?

Description : SnO2 forms a positively charged colloidal sol in acidic medium and a negatively charged sol in the basic medium. Why ? 

Last Answer : Ans. SnO2 is amphoteric in nature. It reacts with acid eg. HCl to form SnCl4 in the solution. The common Sn4+ ions are adsorbed on the surface of SnO2 particles giving them a positive ... solution. The stannate ions are adsorbed on the surface of SnO2 particles giving them a negative charge. 

Dialysis is a method of purification of sols. But prolonged dialysis of the sol makes it unstable. Why ?

Description : Dialysis is a method of purification of sols. But prolonged dialysis of the sol makes it unstable. Why ?

Last Answer : Ans. Traces of electrolytes in the sol, impart charge to dispersed phase particles making it stable. Prolonged dialysis removes all electrolytes thus making the sol unstable.

If we add equimolar amounts of ferric hydroxide sol and arsenic sulphide sol, what will happen ?

Description : If we add equimolar amounts of ferric hydroxide sol and arsenic sulphide sol, what will happen ?

Last Answer : Ans. Both the sols will get coagulated. 

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. 

What is the term used for minimum concentration of an electrolyte which is able to cause coagulation of a sol ?

Description : What is the term used for minimum concentration of an electrolyte which is able to cause coagulation of a sol ?

Last Answer : Ans. Flocculation value. 

Dental impression materials are hydrocolloids of: A. The emulsoid type B. The suspension type C. The sol type D. The gel type E. None of the above

Description : Dental impression materials are hydrocolloids of: A. The emulsoid type B. The suspension type C. The sol type D. The gel type E. None of the above

Last Answer : A. The emulsoid type

St at em en t I : Cricket emerged as a colonial game. St at emen t I I : Cricket was started in England. Ans. (3) Sol. Cricket came to India from England as India was a colony

Description : St at em en t I : Cricket emerged as a colonial game. St at emen t I I : Cricket was started in England. Ans. (3) Sol. Cricket came to India from England as India was a colony

Last Answer : III. The Chinese developed printing to facilitate their expanding trade.

Predict the products in the given reaction CHO Cl  50% KOH (1) OH OH  OH O - O (2) OH Cl  Cl O O - (3) OH OH  OH OH (4) OH Cl  Cl O - O Sol: [4] CHO Cl  50% KOH COOK Cl  Cl OH

Description : Predict the products in the given reaction CHO Cl  50% KOH (1) OH OH  OH O - O (2) OH Cl  Cl O O - (3) OH OH  OH OH (4) OH Cl  Cl O - O Sol: [4] CHO Cl  50% KOH COOK Cl  Cl OH

Last Answer : CHO Cl  50% KOH COOK Cl  Cl OH

13. Which one of the following pairs is isostructural (i.e. having the same shape and hybridization)? (1) 4 4 [BF and NH ]   (2) 3 3 [BCl and BaCl ] (3) 3 3 [NH and NO ]  (4) [NF3 and BF3 ] Sol: [1] In both the compounds, central atom i

Description : 13. Which one of the following pairs is isostructural (i.e. having the same shape and hybridization)? (1) 4 4 [BF and NH ]   (2) 3 3 [BCl and BaCl ] (3) 3 3 [NH and NO ]  (4) [NF3 and BF3 ] Sol: [1] In both the compounds, central atom i

Last Answer : (1) 4 4 [BF and NH ]  

A colloidal system in which a liquid is dispersed in a liquid is called (1) gel (2) emulsion (3) sol (4) precipitate

Description : A colloidal system in which a liquid is dispersed in a liquid is called (1) gel (2) emulsion (3) sol (4) precipitate

Last Answer : emulsion