Kiem tra hoa 9 tiet giữa kì II.NT72

Trường THCS Xi Măng
Kiểm tra 1 tiết Hóa học 9 – Thời gian: 45 Phút.
Họ và tên: .................................................................................................................Lớp 9A
Điểm
Lời phê của thầy cô giáo




Đề bài:
Câu 1(2 điểm): Phân loại các chất sau đây:
C3H8, CH3COOH, C2H5OH, C2H6, CaCO3, CH3OH, C4H10, C2H4, CO2, CaC2.
Câu 2(2 điểm):: Cho các chất sau đây: CH4, C2H6, C2H4, C3H6
Chất nào tác dụng được với clo chiếu sáng.
Chất nào làm mất màu dd nước brom.
Câu 3 (3 điểm): Hoàn thành các PTPƯ sau: 1. C2H2 + ... --------> CO2 +...
2. CH3- CH = CH2 + ... --------> CH3- CHBr -CH2Br 3. CH4 + ... --------> HCl + ...
4. C2H4 + ... --------> CO2 + ... 5. CH2= CH2 + Br2 --------> ...
6. CxHy + ... --------> CO2 + H2O
Câu 4(3 điểm): Đốt cháy hoàn toàn 11,2l hỗn hợp khí CH4 và H2 ở ĐKTC thu được 16,2 g H2O.
a. Viết PTHH. Tính thành phần phần trăm về khối lượng của các chất khí trong hỗn hợp.
b. Tính thể tích khí CO2 tạo ra ở ĐKTC.
Bài làm:
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