Which of the following procedures is suitable for identif...
Which of the following procedures is suitable for identifying the food colouring added to a pastry sample?
carry out some food tests
examine the pastry sample under a microscope
Do a chromatogram of the colouring extract
determine the molar mass of the colouring
Correct answer is C
Chromatography is used for quality control in the food industry, by separating and analyzing additives, vitamins, preservatives, proteins, and amino acids. It can also separate and detect contaminants such as aflatoxin, a cancer-causing chemical produced by a mold on peanuts.
The following salts dissolve readily in cold water except...
The metal used to recover copper from a solution of copper sulphate is ...
The dehydration of CH\(_3\)CH\(_2\)CH\(_2\)CH\(_2\)OH will give?...
The principal constituent of natural gas is ...
The products of the thermal decomposition of ammonium trioxonitrate (V) are...