UMCQS

MCQs For Jobs and Entry Tests in Pakistan

You are here: Home / Chemistry mcqs / The water after removing of sludge in the biological oxidation process is treated with ____________

The water after removing of sludge in the biological oxidation process is treated with ____________

a) Chlorine
b) Bromine
c) Fluorine
d) Iodine

Related Posts:

Leave a Reply

Your email address will not be published.