A. carry out some food tests
B. examine the pastry sample under a microscope
C. Do a chromotogram of the colouring extract
D. determine the molar mass of the colouring
Correct Answer: Option C
C. Do a chromotogram of the colouring extract
A. carry out some food tests
B. examine the pastry sample under a microscope
C. Do a chromotogram of the colouring extract
D. determine the molar mass of the colouring
Correct Answer: Option C
C. Do a chromotogram of the colouring extract
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