MCQ : Which pollutant is coming from tannery industries?
a. S
b. Zn
c. Al
d. Cr
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Answer:
al
Explanation:
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Characteristics of wastes from Tannery industries. - Envibrary Effluents from tannery industries carry heavy pollution loads due to a massive presence of highly colored compounds, sodium chloride and sulfate, various organic and inorganic substances, toxic metallic compounds, different types of tanning materials which are biologically oxidizable, and large quantities of putrefying ...
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