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.