Question

Carry out the following osmosis experiment
Take four pills potato house and scoops each one out to make potato cups one of these potato cup should be made from a boiled potato each tab containing water.now
(A) keep cup A empty
(B) Put 1 teaspoon sugar in cup B
(C) Put 1 teaspoon salt in cup C
(D) put 1 teaspoon sugar in the boiled potato cup D
Keep this for two hours then observe the four potato cups and answer the following
(i)Explain why water gathers in the hollowed potion of B and C
(ii)Why is potato A necessary for the experiment
(iii) explain why water does not gather in the hollowed out portions of A and D

Answer 1

i think gravity is the answer