September 2018 1 18 Report

Ustal jakie konserwanty kryja sie pod symbolami .Podaj wzor i nazwe:

a)E220+H2OstrzalkaH2SO3

b)HCOOCH3+H2OstrzalkaE236+CH3OH

c)HCOOH+KstrzalkaE237+H2

d)H2CO3strzalkaE290+H2O

e)KOH+CH3COOHstrzalkaE261+H2O


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