EASY
Earn 100

Describe the Dilution test for the identification of emulsion.

Important Questions on Surface Chemistry

HARD
Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
The correct statement(s) about surface properties is(are)
EASY
Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
What are oil in water and water in oil type of emulsions? Give one example of each type.
EASY
Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
Electrical conductivity for the identification of emulsions, In oil in water type emulsion or aqueous emulsion, the electrical conductivity is more than _____ type emulsion or oily emulsion.
EASY
Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
Dilution test for the identification of emulsion, if on adding water the emulsion character is retained then the emulsion is identified as _____ (oil in water / water in oil) type.
EASY
Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
How one can detect the type of emulsion through Electrical conductivity?
EASY
Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
Describe the Electrical conductivity for the identification of emulsion.
EASY
Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
In the dilution test for the identification of emulsion, if on adding water the emulsion character is retained then the emulsion is identified as o/w type.
MEDIUM
Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
Conductivity test and dilution test can be used for the detection of types of emulsions.
MEDIUM
Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions

Represent the union of two sets by Venn diagram for each of the following.

X={x | x is a prime number between 80 and 100}

Y={y | y is an odd number between 90 and 100}

EASY
Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
In dye test for the identification of emulsions, if the emulsion is of o/w type the dye will not mix, and the emulsion remains _____.
EASY
Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
Dilution test for the identification of emulsion, if on adding water the emulsion character is retained then the emulsion is identified as w/o type.
EASY
Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
In dye test for the identification of emulsions, if it is of w/o type i.e if oil is the continuous medium then it acquires the colour of the dye immediately.
EASY
Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
Describe the dry test for the identification of emulsion.
EASY
Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
In the dry test for the identification of emulsion, add a small amount of oil-soluble dye to the emulsion under examination.
EASY
Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
Electrical conductivity for the identification of emulsions, in o/w type emulsion or aqueous emulsion, the electrical conductivity is more than w/o type emulsion or oily emulsion.
EASY
Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
Dilution test for the identification of emulsion, if on adding oil if the emulsion character is retained then the emulsion is identified as _____ (oil in water/water in oil) type.
EASY
Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
In dye test for the identification of emulsions, if it is of w/o type i.e if oil is the continuous medium then it acquires the _____ of the dye immediately.
EASY
Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
How one can detect the type of emulsion through the Dilution test?
EASY
Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
Cotyledons are also called-
MEDIUM
Chemistry>Physical Chemistry>Surface Chemistry>Tests for Detection of Types of Emulsions
How can one distinguish between oil-in-water and water-in-oil type emulsion?