Aluminium sulphate and copper sulphate solutions were taken in two test tubes I and II respectively.
Channel: Doubtnut
Date: 26/01/2020

Aluminium sulphate and copper sulphate solutions were taken in two test tubes I and II respectively. Iron filings were then addd to both the solutions. The four students A,B, C and D recorded their observations in the form of a table as given on the next page. The correct set of observations have been recorded by the student: