the size of collodal particals is ?
a) smaller than 10-8 cm
b)bigger than 10-6cm
c) between 10-4and 10-8 cm
d)none of these
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the size of collodal particals is ?
a) smaller than 10-8 cm
b)bigger than 10-6cm
c) between 10-4and 10-8 cm
d)none of these
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