Q. 5-200 μm size particles are called

(A) Colloids or aerosols
(B) Powder
(C) Dust
(D) Smoke

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✅ Correct Answer: (A) Colloids or aerosols

Published by Nisha Gupta ⭐ 2.32K Points at 13-May-2023 02:09 pm in Environmental Engineering

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