Câu 22: Lấy hỗn hợp X gồm 2 lít khí clo và 1 lít khí hiđro để ngoài ánh sáng sau một thời gian thấy có 30% khí clo đã tham gia phản ứng ta thu được hỗn hợp khí A. Dẫn toàn bộ khí A qua nước để ngoài ánh sáng mạnh thấy có khí B thoát ra. Tính phần trăm các chất có trong A và B?

Câu 21: Đốt cháy hoàn toàn hỗn hợp gồm hai kim loại A (hóa trị I) và B (hóa trị II), khối lượng của A và B lần lượt là 2,3 gam và 0,9 gam. Sau khi phản ứng kết thúc ta thu được 5,6 gam hỗn hợp gồm 2 oxit, biết tổng nguyên tử khối của A và B bằng phân tử khối của khí oxi. Tìm A và B?

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Read the following passage and choose the letter A, B, C, or D to indicate the correct word or phrase that best fits number 4. Linh and her friend went camping for four days (1)..................... Da Lat. They left their house at 6 o'clock. Ha brought a tent and (2) ..................... foods. Tom brought a ball to play volleyball. Ly brought her camera to take some photos. Nga and Mai brought some drinks. They took some orange juice. They didn't take iced tea (3) ..................... it was cold. They also took some food. Their favorite foods are chicken, lettuces and tomatoes. Ha's mother helped them to arrange food and drink for their camping. They stayed in a small hotel. The hotel looked over a very beautiful garden with a lot of flowers and green trees. They enjoyed the fresh air there. Linh said her dream house was one surrounded (4) ..................... a flower fence. A by (number 4) B after (number 4) C before (number 4) D to (number 4) Câu 18 Read the following passage and mark the letter A, B, C or D to indicate the best answer to the following question. Hi! My name is John. I live in Liverpool. Liverpool is a large city in the north of England. I live with my parents, my two brothers and my sister. We live in a large house. In our house, there is a big kitchen, a dining room, a large living room, and a toilet. There is also a separate room for our washing machine and freezer. Upstairs there are five bedrooms, two bathrooms, and another toilet. Outside, there is a large garden. There are two garages. Which of the following is NOT true? A John’s family live in a large house. B John’s house has two garages. C John’s house is big but doesn’t have any gardens. D The kitchen in John’s house is big. Câu 19 Mark the letter A, B, C or D to indicate the most meaning sentence written from the given words. A If it rains, we will not go to the zoo. B If it is rains, we will not go to the zoo. C If it rains, we will not go zoo. D If rains, we do not go to the zoo. Câu 20 Mark the letter A, B, C or D to indicate the best answer to the following question. Air …………….. is a serious problem in our city. A polluted B pollutant C pollute D pollution Câu 21 Mark the letter A, B, C or D to indicate the best answer to the following question. We should ………..our lights and other electric equipments during the Earth Hour. A turn up B turn on C turn off D turn down Câu 22 Mark the letter A, B, C or D to indicate the best answer to the following question. The traffic in this city is very…………for children. A dangerous B different C danger D difficult Câu 23 Mark the letter A, B, C, or D to indicate the most suitable response to complete the following exchange. "Let's watch a baseball match tomorrow?" - ".................." A Sometimes B Yes, we do C That's a great idea. D You're welcome

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4. Viết đoạn văn từ 3 đến 4 câu với nội dung tự chọn trong đó có dùng phép so sánh. 5. Tập làm văn : Em đã từng chăm sóc cho hoa, cho cây. Hãy kể về việc làm đó của em.

2. Điền vào chỗ trống để có được một câu hoàn chỉnh: a, Ngôi nhà của em…………… b, Một cái tết…………………….. 3. Khoanh tròn chữ số trong ngoặc đặt trước dấu chấm ghi sai vị trí trong đoạn văn sau: Trên nương, mỗi người một việc(1). Người lớn thì đánh trâu ra cày(2). Các bà, các mẹ cúi lom khom(3). Tra ngô các cụ già nhặt cỏ, đốt lá(4). Mấy chú bé đi bắc bếp thổi cơm(5).

Câu 11 Read the following passage and choose the letter A, B, C, or D to indicate the correct word or phrase that best fits number 1. Linh and her friend went camping for four days (1)..................... Da Lat. They left their house at 6 o'clock. Ha brought a tent and (2) ..................... foods. Tom brought a ball to play volleyball. Ly brought her camera to take some photos. Nga and Mai brought some drinks. They took some orange juice. They didn't take iced tea (3) ..................... it was cold. They also took some food. Their favorite foods are chicken, lettuces and tomatoes. Ha's mother helped them to arrange food and drink for their camping. They stayed in a small hotel. The hotel looked over a very beautiful garden with a lot of flowers and green trees. They enjoyed the fresh air there. Linh said her dream house was one surrounded (4) ..................... a flower fence. A in (number 1) B by (number 1) C at (number 1) D on (number 1) Câu 12 Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following question. A most happy B woman C the world D is Câu 13 Mark the letter A, B, C or D to indicate the sentence that is closest in meaning to the original one in the following questions. What is your favourite kind of sport? A What sport do you like best . B Where do you like to play sport the most? C Is your favourite sport the same as mine? D Do you like sport? Câu 14 Mark the letter A, B, C or D to indicate the sentence that is closest in meaning to the original one in the following questions. I could read an English book at the age of 6. A When I was 6 year-old, I could read an English book. B When I was 6 years old, I could read an English book. C When I am 6, I could read an English book. D When I did was 6, I could read an English book. Câu 15 Mark the letter A, B, C or D to indicate the best answer to the following question. I want to watch the cartoon ………….it is funny and simple. A so B although C but D because