Q

How does blotting paper absorb ink?

RRB NTPC (Stage-I); RRB NTPC (Stage-I) 29/04/2016 / Shift I; 30/03/2016 / Shift I 2016; 2016
✓ Answer: B Capillary action
Ink is drawn into the narrow pores between paper fibres by capillary action.
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