Question

At the end of the experiment, 'to determine the percentage of water absorbed by raisins', the raisins are wiped just before weighing. This is to ensure that
(1) hands do not get wet
(2) the raisins lose water before weighing
(3) the weighing scale does not get wet
(4) only water absorbed by raisins is weighed

Answer 1

Answer is Option (d)

Explanation:

Water absorbed by Raisins is Weighed Only and the process is called Imbibition

Percentage of Water absorbed by the raisins = $\frac {[\textrm{(Weight of Soaked raisin - Weight of raisin before soaking}) \times 100}{[\textrm{Weight of raisin before soaking}}$