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I don't understand this question
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Dear student,
The particle size of solution is less than 10-9 m or less than 1 nm. In the given question none of the options are correct because in all the options 109 is given instead of 10-9.
Regards
The particle size of solution is less than 10-9 m or less than 1 nm. In the given question none of the options are correct because in all the options 109 is given instead of 10-9.
Regards