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Question
The incorrect statement below regarding colloidal solutions is:
Options
A colloidal solution shows colligative properties.
An ordinary filter paper can stop the flow of colloidal particles.
The flocculating power of Al+3 is more than that of Na+.
A colloidal solution shows Brownian motion of colloidal particles.
MCQ
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Solution
An ordinary filter paper can stop the flow of colloidal particles.
Explanation:
Colloidal particles are small enough to pass through ordinary filter paper; only ultrafilters or special membranes can retain colloidal particles. Hence, ordinary filter paper cannot stop colloidal particles.
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