Câu 9: Etilen và axetilen có tính chất hóa học giống nhau và khác nhau ở những điểm nào? Câu 10: Tính thể tích khí C2H2 (đktc) tạo ra khi cho 10 gam CaC2 (có 36% tạp chất) tác dụng hết với H2O (cho C=12, Ca=14). Câu 11: Một hỗn hợp gồm C2H2 và C2H4 có thể tích 5,6 lít khí (đktc) cho qua dung dịch Br2 dư, dung dịch này nặng thêm 6,8 g. Tiện cho em xin những công thức hóa 8 cơ bản nhé.

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