Experiment 12

Separation Techniques

Aim : To separate the components in ink and food Colouring

Method :

Carry two packets of food Colouring and dye . Using three different solvents 
of your choosing design and carry out an experiment to separate the components .

Experiment will be written up as :
Aim :
Apparatus :
Method :
Results :
Discussion :


SKILL ASSESSED : PLANNING & DESIGNING

MARK SCHEME
Statement of Hypothesis			2 mks
Aim						1 mk
Apparatus & Material			3 mks
Method					4 mks
	Logical sequence
	Language
	Steps
	Tense
Variables					2 mks
Data						3 mks
	All data
	Missing 1 essential
	Missing 2 or more essential
Predicted Results				2mks
Limitations / Assumptions / 		3 mks
Sources of Errors