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Colloids are the type of mixture, where the solute (tiny particles) is uniformly distributed in the solvent. Particle size if between 1-1000 nm.

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Important Questions on Surface Chemistry

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Chemistry>Physical Chemistry>Surface Chemistry>Colloidal State
The mass of Haemoglobin in mg required to protect from coagulation of 50 mL of a gold sol on adding 5 mL of 10% NaCl solution is: (gold number of Haemoglobin =0.03)
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Chemistry>Physical Chemistry>Surface Chemistry>Colloidal State
The INCORRECT statements below regarding colloidal solutions is : 
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Chemistry>Physical Chemistry>Surface Chemistry>Colloidal State
The size of colloidal particles are :
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Chemistry>Physical Chemistry>Surface Chemistry>Colloidal State
A sample of red ink (a colloidal suspension) is prepared by mixing eosine dye, egg white, HCHO and water. The component which ensures stability of the ink sample is :
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Chemistry>Physical Chemistry>Surface Chemistry>Colloidal State
Purple of cassius is-
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Chemistry>Physical Chemistry>Surface Chemistry>Colloidal State
How does applying ferric chloride solution helps in stopping bleeding due to a cut?
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Chemistry>Physical Chemistry>Surface Chemistry>Colloidal State
Which is true for all types of colloids?
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Chemistry>Physical Chemistry>Surface Chemistry>Colloidal State
Hair cream is an example of
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Chemistry>Physical Chemistry>Surface Chemistry>Colloidal State
In _____ (colloids/suspension), particles have a diameter greater than 1000 nm.
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Chemistry>Physical Chemistry>Surface Chemistry>Colloidal State
Which of the following has minimum gold number ?
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Chemistry>Physical Chemistry>Surface Chemistry>Colloidal State
Point out the false statement
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Chemistry>Physical Chemistry>Surface Chemistry>Colloidal State
Which is not colloidal?
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Chemistry>Physical Chemistry>Surface Chemistry>Colloidal State

Fixed volume each of two sols of AgI, one obtained by adding AgNO3 to slight excess of KI and another obtained by adding KI to slight excess of AgNO3 are mixed together. Then,

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Chemistry>Physical Chemistry>Surface Chemistry>Colloidal State
Which one of the following is not a colloid?
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Chemistry>Physical Chemistry>Surface Chemistry>Colloidal State
Which of the following is not a colloid?
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Chemistry>Physical Chemistry>Surface Chemistry>Colloidal State
Pick out the statement which is not relevant in the discussion of colloids.
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Chemistry>Physical Chemistry>Surface Chemistry>Colloidal State
Which of the following is not a colloid ?
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Chemistry>Physical Chemistry>Surface Chemistry>Colloidal State
Paste is
HARD
Chemistry>Physical Chemistry>Surface Chemistry>Colloidal State
The continuous phase contains the dispersed phase throughout, example is
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Chemistry>Physical Chemistry>Surface Chemistry>Colloidal State
The volume of a colloidal particle, VC as compared to the volume of a solute particle in a true solution VS, could be