Kt HKI (hay)

Trường THCS ……………….
Lớp: 9……. KIỂM TRA HỌC KÌ I
Họ Và Tên:………………………… (Môn: Hoá Học)
Điểm:
Lời phê của giáo viên:





Câu 1: (2 điểm). Bổ sung các phản ứng sau:

a. ……………… + H2O ………………………….. + H2

b. H + H2O + ………….. ….. NaAlO2 + ………………..

c. …………………. + H2O NaOH + Cl2 + ……….……..


d. HCl + ………………. MnCl2 + ………………..……….. H2O


đ. CO2 + …………………………… CO

e. CO + ……………………………… CO2
Câu 2: (4 điểm). Viết phương trình biến hoá sau:

Fe3O4

FeCl2 Fe FeCl3


Fe(OH)2 Fe(OH)3


Câu 3: (4 điểm). Cho 2,52g hỗn hợp bột (Al, Fe, Cu) vào dung dịch HCl (dư). Phản ứng xong thu được 0,3g chất rắn và 1,344 lít khí ở đktc.
Hãy xác định khối lượng của mỗi kim loại có trong hỗn hợp ban đầu.
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