Cho 1 lượng HCl dư vào hỗn hợp chứa 25 gam hai muối NaClO và CaOCl2 , sau phản ứng xảy ra hoàn toàn, thu được 5,60 lít khí (đktc) dung dịch A. Cô cạn dung dịch A thu được m gam chất rắn khan. Giá trị của m là?

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Class: Time : 30minutes A.READING: Read the paragraph and answer the questions : Lan’s mother is a teacher. She teaches math at a high school. She works eighteen hours a week. She also has a lot of work to do at home such as making paper, preparing for the new lessons etc… She cooks very well. She also plays badminton in her free time. Questions : a.What does Lan’s mother do ? b.Where does she work ? c.How many hours a week does she work ? d.Does she do a lot of work at home ? e.What does she do in her free time ? B.WRITNG I. Supply the correct form of the verbs in the brackets 1. Hoa (have)……….. a lot of friends in Hue 2. Nam and Trang always (visit)………………… their grandparents on Sundays. 3. My father (listen) ………………. to the radio every morning. 4. The children (like)……………… with her parents 5. She (not live)……………. with her parents. II..Complete the second sentence so that it has the same meaning as the first one : 1. Why don’t we go to the beach ?. à What about ? 2. Nam will visit his parents tonight . àNam is going 3. Tim’s father has more vacations than Hoa’s father. àHoa’s father has fewer 4. We will have a vacation that lasts for three months. àWe will have a 5. He likes to drink tea after meals. à He enjoys III. Put the words into the correct order to make sentences : 1. where / you / is / show / the / could / me / bank ? 2. mail / some / need / overseas / stamps / I / for . 3. she / to / like / buy / would / postcards / some . 4. take / how long / it / to / Ha Noi / does / get / to / plane / by ?