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Chuỗi phương trình phản ứng hóa học 10

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(1) Cho NaCl tác dụng với H2SO4 đậm đặc ở nhiệt độ 250 độ thu được muối natri hidrosulfat.

(2) Cho HCl tác dụng với canxi oxit thu được canxi clorua.

(3) Điện phân nóng chảy canxi clorua thu được canxi và khí clo.

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