Leather tanneries cause water pollution by converting Cr VI-salts into a chromium with oxidation state:

E

Editor

Sep 18, 2022

Leather tanneries cause water pollution by converting Cr VI-salts into a chromium with oxidation state:

Difficulty: Easy

A:

1

B:

2

C:

3

D:

4

ID: 63273dbdca83163ac3a174d3