Q. Copper is dissolved from its ore by H₂SO₄ in a percolation tank made of

(A) Wood
(B) Stainless steel
(C) Reinforced concrete lined with lead
(D) High silicon iron (14% Si)

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✅ Correct Answer: (C) Reinforced concrete lined with lead

Published by Ram Sharma ⭐ 193.88K Points at 12-May-2023 05:36 pm in Materials And Construction

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