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Nguồn:
Người gửi: Nguyễn Thị Hoài Giang
Ngày gửi: 09h:13' 14-02-2012
Dung lượng: 40.0 KB
Số lượt tải: 4
Nguồn:
Người gửi: Nguyễn Thị Hoài Giang
Ngày gửi: 09h:13' 14-02-2012
Dung lượng: 40.0 KB
Số lượt tải: 4
Số lượt thích:
0 người
Bài kiểm tra: Môn Hóa- Thời gian: 45 phút
Họ và tên:....................................................................................Lớp: 8A
Đề ra:
Câu 1( 2đ): Nêu tính chất hóa học của oxi? Viết PTHH minh họa.
Câu 2(3đ) : Điền công thức hoá học và tên gọi vào ô trống trong bảng sau:
Nguyên tố
K(I)
S(VI)
C(IV)
Fe(II)
P(V)
Al(III)
CTHH của oxit
Tên gọi
Câu 3(1,5đ): Hãy so sánh sự cháy với sự oxi hoá chậm?
Câu4(3,5đ): Cho 13,5g kim loại nhôm tác dụng với 8,96l khí oxi ở đktc.
a. Viết PTHH xảy ra?
c. Tính số mol chất dư.
b. Tính khối lượng sản phẩm sau khi phản ứng kết thúc?
(Cho K: 39; O:16; Mn: 55; Cl: 35,5; Al: 27)
Bài làm:
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Họ và tên:....................................................................................Lớp: 8A
Đề ra:
Câu 1( 2đ): Nêu tính chất hóa học của oxi? Viết PTHH minh họa.
Câu 2(3đ) : Điền công thức hoá học và tên gọi vào ô trống trong bảng sau:
Nguyên tố
K(I)
S(VI)
C(IV)
Fe(II)
P(V)
Al(III)
CTHH của oxit
Tên gọi
Câu 3(1,5đ): Hãy so sánh sự cháy với sự oxi hoá chậm?
Câu4(3,5đ): Cho 13,5g kim loại nhôm tác dụng với 8,96l khí oxi ở đktc.
a. Viết PTHH xảy ra?
c. Tính số mol chất dư.
b. Tính khối lượng sản phẩm sau khi phản ứng kết thúc?
(Cho K: 39; O:16; Mn: 55; Cl: 35,5; Al: 27)
Bài làm:
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