X Beatcer
It was found that after 20 minutes, visking tubing X felt hard and the
(b) Identify which liquid is hypotonie to the liquid in the beake
in it had increased. Visking tubing Y was soft and contained less liquid
figure
(a) Explain the observations made in visking tubing X and Y.
(ii) Use (b) above to explain the meaning of hypotonic and hy
11. Four equal strips A, B, C and D were cut from a potato whose cell sa
28.5% sugar. The strips were placed in sugar solutions of differe
follows: A - 10%, B-15%, C - 25% and D - 35%.
(i) What changes would you expect in strips A and D?
(ii) Account for the changes in A and D above.
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