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A student wants to know whether a black marker contains only one dye or a mixture of dyes.
a) Which separation technique should the student use?
b) Read the procedure carefully and fill in the missing words.
a) Which separation technique should the student use?
b) Read the procedure carefully and fill in the missing words.
a. The student should use
b. Complete the procedure by choosing the correct option.
i. Draw a line near the bottom of the chromatography paper.
ii. Place a small spot of ink on the line.
iii. Suspend the paper in a beaker containing a suitable making sure the ink spot remains the solvent level.
iv. Allow the to move upward through the paper.
v. Remove the paper before the solvent reaches the of the paper.
vi. Dry the paper and observe the .