Các mod ơi giúp e với ạ Trong giờ thực hành, có 2 h/s A và B làm các thí nghiệm như sau: - h/s A cho 5,6g bột Fe vào dd chứa 7,3g HCl. - H/S B cho 9,75g bột Zn vào dd chứa 7,3g HCl. Sau khi kết thúc các phản ứng hãy cho biết: Hiện tượng hoá học xảy ra, giải thích? Viết pthh

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I. Fill in each blank with a suitable word to complete the sentences. (2pts) 1. Hai practices at the club three ____ a week. 2. Trung can ___ the guitar. 3. Alice ___watching ice skating. 4. Bill ___ at Rosemarrick Lower Secondary school. 5. Trung goes ____ on hot days. II. Complete the sentences using the past simple form of the verbs(4 pts) (CHIA ĐỘNG TỪ TRONG NGOẶC DÙNG THÌ QUÁ KHỨ ĐƠN) 1- I (be).......................................a student 2 years ago. 2- He (be).................................. a doctor two years ago. 3- They (be)................................. farmers last year. 4- Lan and Ba (be) .........................nurses last year. 5- It (be not)............................ cold yesterday. 6- She (be not)........................a pupil last week. 7- This hat (be not) .........................new yesterday. 8- My parents (be not) .......................teachers two years ago. 9- He (be not) ..........................a mechanic last Monday. 10- (Be)................... he an engineer yesterday? No, he (be not)..................... III. Complete the sentences using the past simple form of the verbs. (4pts) (CHIA ĐỘNG TỪ TRONG NGOẶC DÙNG THÌ QUÁ KHỨ ĐƠN) 1. I (go)........................ to Nha Trang two years ago. 2. Ba (play)............................. football yesterday. 3. I (eat) ..........................a lot of fish yesterday. 4. Her aunt (take)................................... her to see Cham Temple last year. 5. Tuan (have).............................. a new bike yesterday. 6. She (not buy).................................. a new ruler yesterday? 7. He (not talk)................................. with his parents about his vacation in Da Lat last year. 8. They (not come).................................. school yesterday? 9. The windows (not close)............................ yesterday? 10. We (not return) ......................................at home at 7 pm last Monday. ---THE END----