1.

 Size of colloidal particles is [CPMT 1984; MP PMT 1990, 92]

A. 0.1mμ to 0.001mμ
B. 10μ to 20μ
C. 0.05mμ to 0.1mμ
D. 25μ to 30μ
Answer» B. 10μ to 20μ


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