Chemistry, 03.10.2021 14:00 walkereddie580
trong các chất sau : iron (Fe), copper oxide (CuO), iron (III) hidrooxide (Fe(OH)3), barium chlorride (BaCl2). Chất nào tắc dụng được với Sulfurric acid (H2SO4) tạo: a) Khí nhẹ nhất trong các chất khí, b) Kết tủa màu trắng, c) Dung dịch màu vàng, d) Dung dịch màu xanh lam. Viết phương trình phản ứng minh họa.
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trong các chất sau : iron (Fe), copper oxide (CuO), iron (III) hidrooxide (Fe(OH)3), barium chlorrid...
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