A * White draft B yellow draft C brown draft D of green draft
E pink precipitate
4 Lemon substance was submitted to the analytical laboratory for analysis
acids. In accordance with the requirements of HFC, the quantitative content of acid
lemon can be determined by the method:
A * alkalymetryy B Iodometry C acid-base titration D bromatometryy E yodhlormetryy
5 Specialist of the analytical and analytical laboratory of the State Inspectorate confirms
the presence of calcium cation in calcium gluconate by reaction with a solution of potassium
ferrocyanide in the presence of ammonium chloride by formation:
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