Question

what is the size of colloidal solution in the range of :-

A) 1 - 100nm
B) 100 - 1000nm
$c) {10}^{ - 5}m - {10}^{ - 7}m$
$d) {10}^{ 7} - {10}^{9} m$

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Answer 1

ANSWER :

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c) $\sf {10}^{ - 5}m - {10}^{ - 7}m$

★ Colloidal particles are larger than simple molecules but small enough to remain suspended. Their range of diameters is between 1 and 1000 nm

$\sf ( {10}^{ - 5}m - {10}^{ - 7}m)$

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