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26 November, 19:59

What is the size range of particles in a colloid?

a) between 1 nm and 1000 nm

b) between 1 nm and 10 nm

c) between 100 nm and 1000 nm

d) between 1000 nm and 2000 nm

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  1. 26 November, 20:13
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    a) between 1 nm and 1000 nm.

    Explanation:

    A colloid is formed of two phase. It is a system consisting of a continuous phase (the dispersion medium) and dispersed phase (the particles or emulsion droplets). In colloidal system, the particle size of the dispersed phase ranges from 1 nm to 1000 nm. Examples of colloidal dispersions include solid/liquid (suspensions), liquid/liquid (emulsions), and gas/liquid (foams).

    So, the right choice is: a) between 1 nm and 1000 nm.
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