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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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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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The size of colloidal particles are :
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Dispersed medium + Dispersion medium =
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The INCORRECT statements below regarding colloidal solutions is : 
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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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Comment on the following statement: 
Colloid is not a substance but a state of substance.
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The colloidal solutions are homogeneous materials.
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Which of the following is a liquid-liquid solution?
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Chalk dissolved in water is an example of 
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Which of the following statement is true ?
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From the following, which is not an emulsifier?
HARD
The continuous phase contains the dispersed phase throughout, example is
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Which of the following is not a property of colloid?
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Which of the following statement is not true about colloidal solution ?

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Which of the following is a property of suspension?
HARD
A mixture of sulphur and carbon disulphide is
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The particles in a fine suspension exhibit Brownian movement.
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Which one of the following processes does not use adsorption?