EPFO APFC • General Studies • 2023 • Q.87
General ScienceMedium
87. The
effluents of which among the
following industries are considered to
be the main cause for lowering the
pH value of river water?
Syllabus Connection
Chemistry (Concept & Everyday applications): Matter & its nature, physical & chemical changes, acids, bases & salts, metals & non-metals, carbon compounds (fuels & polymers), chemical reactions, everyday chemistry applications. (APFC)
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