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o/w emulsions will have higher viscosity value than w/o emulsion.

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Important Questions on Surface Chemistry

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Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
In which emulsion coloured droplets are obtained when oil soluble dye is added to it?
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Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions

Given below are two statements:

Statement I : Emulsions of oil in water are unstable and sometimes they separate into two layers on standing.

Statement II : For stabilisation of an emulsion, excess of electrolyte is added.

In the light of the above statements, choose the most appropriate answer from the options given below :

HARD
Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
The correct statement(s) about surface properties is(are)
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Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
Example of payas (Emulsion) is
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Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
Give two examples of emulsifying agents for O/W and W/O type of emulsions.
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Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
Which of the following processes is responsible for the digestion of fats in the intestines?
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Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
The primary function of an emulsifier in an emulsion is that it
EASY
Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
Emulsifiers are generally
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Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
Small liquid droplets dispersed in another liquid is called: 
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Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
Milk is colloid in which:
 
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Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
_____ (Dilution/Concentration) test can be used for the detection of types of emulsions.
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Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
o/w emulsions will have _____ (higher/lower) viscosity value than w/o emulsion.
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Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
Cod liver oil is
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Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
Milk can be preserved for long by adding a few drops of HCHO, which acts as
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Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
Which of the following substances will precipitate the negatively charged emulsions?
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Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
Which of the following colloids act as an emulsifier for ice-cream?
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Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
o/w emulsions spread readily than w/o emulsion when spread on an _____(aquoeous/oily) surface.
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Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
An emulsifier is a substance which
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Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
Which of the following processes can destroy the emulsion?
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Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
Which one of the following is an emulsion?