Answered You can hire a professional tutor to get the answer.
an unknown solution for anions gave a colorless effervescence with dilute HCl but did not change MnCl2 in HCl to brown. what anions were proved
an unknown solution for anions gave a colorless effervescence with dilute HCl but did not change MnCl2 in HCl to brown. what anions were proved absent?