Dry raisins were soaked in water for 2 hours, to determine the percentage of water absorbed by raisins. Before final weighing of swollen raisins, the extra water left on the surface of soaked raisins was removed by:
gently rubbing with cotton cloth
hot air blower
dry cotton wool
dry cotton wool
D.
dry cotton wool
In order to remove the excess water, raisins are dried on a piece of filter paper after being soaked in water.
