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chemical engineering environmental engineering
1. Presence of __________ in water stream are deleterious to aquatic life.
(A): all (a), (b) & (c).
(B): heavy metals and cynides.
(C): soluble and toxic organics.
(D): suspended solids.
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By: Gaurav Maurya on 06 Jul 2017 02.25 pm
Very good platform
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