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Emulsion



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Q1. What is the dispersion of a liquid in another liquid called?

(a) Gel
(b) Foam
(c) Emulsion
(d) Aerosol

Q2. What is the emulsifier present in milk that makes it stable?

(a) Maltose
(b) Lactose
(c) Lactic acid bacillus
(d) Casein

Q3. Which of the following statement about emulsions is true?

(a) Oily drugs cannot be prepared in the form of emulsions
(b) Digestion does not involve the process of emulsification
(c) Disinfectants like Dettol and Lysol give emulsions of water-in-oil type on mixing with water
(d) The cleansing action of soap is based upon the formation of water-in-oil emulsion

Q4. Which of the following statements regarding emulsions is false?

(a) Emulsions cannot be separated into their constituent liquids
(b) Emulsions show Brownian motion
(c) Emulsions show Tyndall effect
(d) Emulsions exhibit properties like Electrophoresis and Coagulation

Q5. Which of the following is not a method to test the type of emulsion?

(a) Microscopic method
(b) Conductance method
(c) Coagulation method
(d) Dye method

Q6. What is the difference between vanishing cream and cold cream?

(a) Both are examples of oil-in-water emulsions
(b) Vanishing cream is an oil-in-water emulsion whereas cold cream is a water-in-oil emulsion
(c) Vanishing cream is a water-in-oil emulsion whereas cold cream is anoil-in-water emulsion
(d) Both are examples of water-in-oil emulsions

Q7. Soaps are emulsifying agents.

(a) True
(b) False
(c) Both acidolysis and aldehyde
(d) None of the mentioned

Q8. Which of the following is not an example of a water-in-oil emulsion?

(a) Cod liver oil
(b) Butter
(c) Cold cream
(d) Milk

Q9. Which of the following is an example of an emulsifier?

(a) NaCl
(b) CaCO3
(c) C15H31COONa
(d) CH3COOH

Q10. An emulsion is a type of colloid.

(a) True
(b) False
(c) Both acidolysis and aldehyde
(d) None of the mentioned


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0.2 Gm Of Fine Animal Charcoal Is Mixed With Half Litre Of Acetic

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0.2 Gm Of Fine Animal Charcoal Is Mixed With Half Litre Of Acetic

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Activated Charcoal Is Used To Remove Colouring Matter From Pure Substances. It Works By

Modified 364 Year Ago

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Activated Charcoal Is Used To Remove Colouring Matter From Pure Substances. It Works By

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The Decomposition Of Hydrogen Peroxide Can Be Slowed By The Addition Of Acetamide. The Latter Acts As A

Modified 364 Year Ago

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364 Year Ago

The Decomposition Of Hydrogen Peroxide Can Be Slowed By The Addition Of Acetamide. The Latter Acts As A

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In The Adsorption Of A Gas On Solid, Freundlich Isotherm Is Obeyed. The Slope Of The Plot Is Zero. Then The Extent Of Adsorption Is

Modified 236 Year Ago

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236 Year Ago

In The Adsorption Of A Gas On Solid, Freundlich Isotherm Is Obeyed. The Slope Of The Plot Is Zero. Then The Extent Of Adsorption Is

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In Freundlich Adsorption Isotherm, The Value Of 1/n Is

Modified 236 Year Ago

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236 Year Ago

In Freundlich Adsorption Isotherm, The Value Of 1/n Is

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Plot Of Log X/m Against Log P Is A Straight Line Inclined At An Angle Of 45° . When The Pressure Is 0.5 Atm And Freundlich Parameter, K Is 10, The Amount Of Solute Adsorbed Per Gram Of Adsorbent Will

Modified 236 Year Ago

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236 Year Ago

Plot Of Log X/m Against Log P Is A Straight Line Inclined At An Angle Of 45° . When The Pressure Is 0.5 Atm And Freundlich Parameter, K Is 10, The Amount Of Solute Adsorbed Per Gram Of Adsorbent Will

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281 views

Choose The Incorrect Statement In Respect Of Physisorption

Modified 236 Year Ago

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236 Year Ago

Choose The Incorrect Statement In Respect Of Physisorption

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