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

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

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. 

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

Milk is fat dispersed in water. It is an example of (A) Suspension (B) Emulsion (C) Gel (D) Solution

Description : Milk is fat dispersed in water. It is an example of (A) Suspension (B) Emulsion (C) Gel (D) Solution

Last Answer : (B) Emulsion

(4) Water drops in a dispersion medium of air 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. Cloud is a colloidal dispersion of Water drops in a dispersion medium of air.

Description : (4) Water drops in a dispersion medium of air Explanation: A colloid is a substance microscopically dispersed evenly throughout another substance. A colloidal system consists of two separate phases: a dispersed ... or gas. Cloud is a colloidal dispersion of Water drops in a dispersion medium of air.

Last Answer : Conduction band electrons have more mobility than holes because they – (1) are lighter (2) experience collision less frequently (3) have negative charge (4) need less energy to move them

(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 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

The colloidal system consisting of a liquid dispersed in a solid dispersion medium is termed as :

Description : The colloidal system consisting of a liquid dispersed in a solid dispersion medium is termed as :

Last Answer : The colloidal system consisting of a liquid dispersed in a solid dispersion medium is termed as : A. aerosol B. foam C. emulsion D. gel

Milk is a colloidal system in which: (1) Water is dispersed in fat (2) Fat is dispersed in water (3) Fat and water are dispersed in each other (4) Fat is dissolved

Description : Milk is a colloidal system in which: (1) Water is dispersed in fat (2) Fat is dispersed in water (3) Fat and water are dispersed in each other (4) Fat is dissolved

Last Answer : Fat is dispersed in water

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.

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. 

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 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

Milk is - (1) Emulsion (2) Suspension (3) Foam (4) Gel

Description : Milk is - (1) Emulsion (2) Suspension (3) Foam (4) Gel

Last Answer : (1) Emulsion Explanation: An emulsion is a mixture of two liquids that cannot combine into a solution. In the case of milk, butterfat globules are suspended in a water-based fluid. The globules are encased in membranes that prevent them from combining into giant lumps of butterfat.

Milk is an example of - (1) suspension (2) true solution (3) emulsion (4) gel

Description : Milk is an example of - (1) suspension (2) true solution (3) emulsion (4) gel

Last Answer : (3) emulsion Explanation: Milk is an example of the oil-inwater type of emulsion. In milk liquid fat globules are dispersed in water. Other examples are, vanishing cream etc.

Milk is (1) Emulsion (2) Suspension (3) Foam (4) Gel

Description : Milk is (1) Emulsion (2) Suspension (3) Foam (4) Gel 

Last Answer : Emulsion

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

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 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.

Fat globules in milk are in the form of a. Colloidal b. Emulsion c. Granular d. None of these

Description : Fat globules in milk are in the form of a. Colloidal b. Emulsion c. Granular d. None of these

Last Answer : b. Emulsion

The dispersed phase in colloidal iron (III) hydroxide and collodial gold is positively and negtively charged respectively with of the following statem

Description : The dispersed phase in colloidal iron (III) hydroxide and collodial gold is positively and negtively charged respectively with of the following statem

Last Answer : The dispersed phase in colloidal iron (III) hydroxide and collodial gold is positively and negtively ... readily than the iron (III) hydroxide sol.

Identify dispersed phase and dispersion medium in the following colloidal dispersions : a. milk  b. blood  c. printing ink

Description : Identify dispersed phase and dispersion medium in the following colloidal dispersions : a. milk  b. blood  c. printing ink

Last Answer : Identify dispersed phase and dispersion medium in the following colloidal dispersions : a. milk b. blood c. printing ink d. fog

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

An emulsion is a colloid of a – (1) gas in a liquid (2) liquid in a liquid (3) liquid in a gas (4) gas in a solid

Description : An emulsion is a colloid of a – (1) gas in a liquid (2) liquid in a liquid (3) liquid in a gas (4) gas in a solid

Last Answer : (2) liquid in a liquid 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 ... ). Examples of emulsions include vinaigrettes, milk, mayonnaise, and some cutting fluids for metal working.

An emulsion is a colloid of a (1) gas in a liquid (2) liquid in a liquid (3) liquid in a gas (4) gas in a solid

Description : An emulsion is a colloid of a (1) gas in a liquid (2) liquid in a liquid (3) liquid in a gas (4) gas in a solid

Last Answer : liquid in a liquid

Smoke is formed due to – (1) Solid dispersed in gas (2) Solid dispersed in liquid (3) gas dispersed in solid (4) gas dispersed in gas

Description : Smoke is formed due to – (1) Solid dispersed in gas (2) Solid dispersed in liquid (3) gas dispersed in solid (4) gas dispersed in gas

Last Answer : (1) Solid dispersed in gas Explanation: Smoke is a collection of airborne solid and liquid particulates and gases emitted when a material undergoes combustion or pyrolysis, together with the quantity of air ... military (smoke-screen), cooking (smoked salmon), or smoking (tobacco, cannabis, etc.).

Smoke is formed due to (1) solid dispersed in gas (2) solid dispresed in liquid (3) gas dispresed in solid (4) gas dispersed in gas

Description : Smoke is formed due to (1) solid dispersed in gas (2) solid dispresed in liquid (3) gas dispresed in solid (4) gas dispersed in gas

Last Answer :  solid dispersed in gas

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

Which of the following is not accomplished by agitation of liquids in agitators? (A) Dispersing gas in liquid (B) Blending of immiscible liquids (C) Dispersing immiscible liquid in form of emulsion (D) Suspending solid particles

Description : Which of the following is not accomplished by agitation of liquids in agitators? (A) Dispersing gas in liquid (B) Blending of immiscible liquids (C) Dispersing immiscible liquid in form of emulsion (D) Suspending solid particles

Last Answer : (B) Blending of immiscible liquids

Bitumen emulsion is (A) A liquid containing bitumen in suspension (B) A paint (C) Used as anti-corrosive paint (D) All the above

Description : Bitumen emulsion is (A) A liquid containing bitumen in suspension (B) A paint (C) Used as anti-corrosive paint (D) All the above

Last Answer : Answer: Option D

Fog is an example of – (1) Gas dispersed in has (2) Liquid dispersed in gas (3) Solid dispersed in gas (4) Solid dispersed in liquid

Description : Fog is an example of – (1) Gas dispersed in has (2) Liquid dispersed in gas (3) Solid dispersed in gas (4) Solid dispersed in liquid

Last Answer : (2) Liquid dispersed in gas Explanation: Fog is a collection of liquid water droplets or ice crystals suspended in the air at or near the Earth's surface. While fog is a type of stratus ... . Fog is distinguished from mist only by its density, as expressed in the resulting decrease in visibility.

Colloid which contains particles of liquid or solid dispersed in gas?

Description : Colloid which contains particles of liquid or solid dispersed in gas?

Last Answer : Aerosol

__________ column is the most suitable for achieving the best performance for mass transfer operations involving liquid with dispersed solids. (A) Wetted wall (B) Packed (C) Plate (D) Spray

Description : __________ column is the most suitable for achieving the best performance for mass transfer operations involving liquid with dispersed solids. (A) Wetted wall (B) Packed (C) Plate (D) Spray

Last Answer : C) Plate

Smoke is an example of (A) Solid dispersed in liquid (B) Solid dispersed in gas (C) Liquid dispersed in gas (D) Gas dispersed in liquid

Description : Smoke is an example of (A) Solid dispersed in liquid (B) Solid dispersed in gas (C) Liquid dispersed in gas (D) Gas dispersed in liquid

Last Answer : (B) Solid dispersed in gas

Fog is an example of (1) Gas dispersed in gas (2) Liquid dispersed in gas (3) Solid dispersed in gas (4) Solid dispersed in liquid

Description : Fog is an example of (1) Gas dispersed in gas (2) Liquid dispersed in gas (3) Solid dispersed in gas (4) Solid dispersed in liquid

Last Answer : Liquid dispersed in gas

Liquid-liquid colloidal system is known as

Description : Liquid-liquid colloidal system is known as

Last Answer : Liquid-liquid colloidal system is known as A. aerosol B. foam C. emulsion D. gel

Glass is a – (1) pure solid (2) supercooled liquid (3) gel (4) polymer

Description : Glass is a – (1) pure solid (2) supercooled liquid (3) gel (4) polymer

Last Answer : (2) supercooled liquid Explanation: Glass is an amorphous (noncrystalline) solid material. Glasses are typically brittle and optically transparent. The standard definition of a glass (or vitreous solid ... is often used to describe any amorphous solid that exhibits a glass transition temperature Tg.

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)

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.

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 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. 

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. 

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 ]  

(1) a homogeneous mixture of two or more substances Explanation: A homogeneous mixture of two or more substances uniformly dispersed throughout a single phase is called solution. In such a mixture, a solute is a substance dissolved in another substance, known as a solvent. The solution more or less takes on the characteristics of the solvent including its phase, and the solvent is commonly the major fraction of the mixture.

Description : (1) a homogeneous mixture of two or more substances Explanation: A homogeneous mixture of two or more substances uniformly dispersed throughout a single phase is called solution. In such a mixture, a ... the solvent including its phase, and the solvent is commonly the major fraction of the mixture.

Last Answer : Choose the incorrect statement pertaining to organic compounds - (1) They have low melting and boiling points (2) They do not dissolve in water (3) They are not easily combustible (4) They contain mainly carbon and hydrogen

Is suspension and emulsion the same ?

Description : Is suspension and emulsion the same ?

Last Answer : Suspension is a mixture of solid and liquid. Emulsion, on the other hand, is a mixture of liquids of the same nature. For example, antacids or a mixture of Mg (OH) 2 in water is a suspension and emulsion is a mixture that is obtained by stirring oil in a water bottle.