Define Colloid. – InterviewSolution

InterviewSolution

1.	Define Colloid.
Answer» A colloid is a heterogeneous system in which one substance is dispersed(dispersed phase)in another substance called dispersion medium and size of dispersed phase is from 1 nm -1000 nm.

Discussion

No Comment Found

Related InterviewSolutions

How does it become possible to cause artificial rain by spraying silver iodide on the clouds?
Artificial rain is caused by spraying salt over clouds.
Define the following terms: (i) Desorption (ii) Critical micelle concentration (iii) Shape selective catalysis
What are Associated Colloids ? Give an example.
What do you understand by the terms : (i) CMC, (ii) Kraft's temperature, (iii) McBain micelle.
Explain the following :(i) Same substance can act both as colloids and crystalloids. (ii) Artificial rain is caused by spraying salt over clouds.
Define the following terms with an example in each: (i) Lyophobic colloids (ii) Homogeneous catalysis (iii) O/W emulsion
Some substances can act both as colloids and crystalloids. Explain.
Explain what is observed when : (i) A beam of light is passed through a colloidal solution. (ii) NaCl solution is added to hydrated ferric oxide sol. (iii) Electric current is passed through a colloidal solution.
How are the following colloidal solutions prepared ? (i) Sulphur in water, (ii) Gold in water.