Hãy viết các phương trình phản ứng đặc trưng của C2H2; CH4; C6H6; C2H4;

Các câu hỏi liên quan

Bai 9: Hoàn thành câu thứ hai dựa vào từ cho sẵn trng ngoặc. 0. my father washes the car once a month. ( is) The car is washed by my father once a month. 1. The painter displays all the paintings in the gallery. ( are) All the paintings __________________________________________________ 2. Jim turns off the kettle . ( by) The kettle________________________________________________________ 3. Peter always looks the door before 9 p.m ( locked) The door _________________________________________________________ 4. Does Jim take you to the airport? ( taken) Are you _________________________________________________________ 5. How ofte does Jane clean the room? ( is) How often _________________________________________________________ 6. My brother rarely write a long essay. ( is) A long essay _________________________________________________________ 7. My aunt arranges flowers beautifully. ( are) Flowers _________________________________________________________ 8. Mr. Smith sometimes drive the new car to work. (is) The new car _________________________________________________________ 9. I never speak English outside the classroom. ( by) English _________________________________________________________ 10/ People never open this gate. ( is) The gate_________________________________________________________ 11. people make bottles from plastic. ( are) Bottles _________________________________________________________ 12. Jane hangs the wedding photo on the wall. (by ) The wedding photo _________________________________________________________ 13. Someone guard this place twenty-four hour a day. ( is) This place _________________________________________________________ 14. Jim writes and posts his blog on social network site. ( is) Jim’s blog _________________________________________________________ 15. People harvest winter wheat in late July ( is) Winter_________________________________________________________

Bai 9: Hoàn thành câu thứ hai dựa vào từ cho sẵn trng ngoặc. 0. my father washes the car once a month. ( is) The car is washed by my father once a month. 1. The painter displays all the paintings in the gallery. ( are) All the paintings __________________________________________________ 2. Jim turns off the kettle . ( by) The kettle________________________________________________________ 3. Peter always looks the door before 9 p.m ( locked) The door _________________________________________________________ 4. Does Jim take you to the airport? ( taken) Are you _________________________________________________________ 5. How ofte does Jane clean the room? ( is) How often _________________________________________________________ 6. My brother rarely write a long essay. ( is) A long essay _________________________________________________________ 7. My aunt arranges flowers beautifully. ( are) Flowers _________________________________________________________ 8. Mr. Smith sometimes drive the new car to work. (is) The new car _________________________________________________________ 9. I never speak English outside the classroom. ( by) English _________________________________________________________ 10/ People never open this gate. ( is) The gate_________________________________________________________ 11. people make bottles from plastic. ( are) Bottles _________________________________________________________ 12. Jane hangs the wedding photo on the wall. (by ) The wedding photo _________________________________________________________ 13. Someone guard this place twenty-four hour a day. ( is) This place _________________________________________________________ 14. Jim writes and posts his blog on social network site. ( is) Jim’s blog _________________________________________________________ 15. People harvest winter wheat in late July ( is) Winter_________________________________________________________