Đầu tiên cho lưu huỳnh tác dụng với hidro sinh ra khí H2S.
Tiếp theo, đốt cháy lưu huỳnh trong không khí sinh ra SO2.
Sau đó, cho lưu huỳnh phản ứng với sắt sinh ra FeS.
Cuối cùng, cho H2S tác dụng với SO2 sản phẩm tạo thành kết tủa vàng chanh.
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Đầu tiên cho lưu huỳnh tác dụng với hidro sinh ra khí H2S.
Tiếp theo, đốt cháy lưu huỳnh trong không khí sinh ra SO2.
Sau đó, cho lưu huỳnh phản ứng với sắt sinh ra FeS.
Cuối cùng, cho H2S tác dụng với SO2 sản phẩm tạo thành kết tủa vàng chanh.
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Catalyst
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Hydrogen is the first element in the periodic system table. Hydrogen is known to be the lightest of all, the most abundant in the Universe, the essential element for life
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View moreLithium is the alkali metal element, located in the third cell in the periodic table system. Lithium is the lightest of all solid metals and can cut a knife.
View moreBeryllium is the lightest alkaline earth metal. Beryllium is found in precious stones such as emeralds and aquamarine. Beryllium and its compounds are both carcinogenic.
View moreCarbon is the non-metallic element in the sixth cell in the periodic system table. Carbon is one of the most important elements in all life, it is also known as the back.
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