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5394. Oleum produces fumes of

September 7, 2025 by Admin

SO₂

H₂SO₄

SO₃

SO₂ + H₂SO₄

✅ The correct answer is option C.

Categories Chemical Engineering, Chemical Process MCQs, Engineering Tags Chemical Engineering MCQs, Chemical Process MCQs, Engineering MCQs

5391. Flash point of most vegetable oils is about __________ °C.

5397. Yellow phosphorus is transported under

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