Get premium membership and access revision papers with marking schemes, video lessons and live classes.
Processing. Please wait.

 Form 1 Chemistry Simple Classification of Substances Questions and Answers

The diagram shows the results of an experiment to separate and identify the colors present in two colored mixtures, A and B. Substances C, D, E and F are single colors.
(a) Name this method of separation.
(b) Why should a pencil be used instead of a pen to draw the origin line?

 (1m 35s)
578 Views     SHARE

Download as pdf file

Answer Text:
a).This method is known as paper chromatography.
b).A pen ink is has color pigments which can affect the accuracy of the expected results.