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(a) In an experiment to determine the size of an oil molecule, oil is placed on the surface of water after sprinkling lycopodium powder on it. (i) State two reasons why oil is used.
(ii) State the function of the lycopodium powder.
(iii) State any two assumptions that are made in this experiment.
(iv) Explain why the oils spreads on the surface of water.
(b) The following data was obtained from an experiment to determine the size of palm oil molecule. - Volume of 100 drops of palm oil = #15.0mm^3# - Area of a patch from drop of oil = #8.0 X 10^4# mm.
- Determine the size of a palm oil ,molecule.