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GATE 20052005PYQMCQanswer keyexplanation sooneasy
Environmental Engineering · Water Treatment
Concept intelligence
Drill mode: pH · 12/13
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Recurring concept
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Water Treatment has appeared in GATE Civil Engineering 36 times across 17 years (2016, 2022, 2023, 2024, 2025, ...).

∑ has math
pHhydrogen ion concentrationwater quality