lập các PTHH của các sơ đồ sau 1) Al + Cl2 ---->AlCl3 2) Fe + O2 ---> Fe3O4 3)Na2O +H2O--->NaOH 4) Al(OH)3 --->Al2O3 + H2O 5) BaCl2 + Fe2(SO4)3 --->BaSO4 +FeCl3 6)Cu + HNO3 ---->Cu(NO3)2+ NO+H2O 7) KMnO4+HCl---> KCl+ MnCl2 + Cl2 + H2O 8) NH3 +O2 --> NO + H2O

Lập bảng niên biểu các cuộc khởi nghĩa lớn trong phong trào Cần Vương theo mẫu: Cuộc khởi nghĩa|||Thời gian|||Địa điểm|||Sự kiện|||Kết quả

Viết đoạn văn 200 chữ trình bày suy nghĩ của anh chị về thông điệp mà tác giả gửi gắm qua hai câu thơ quê hương nếu ai không nhớ/ Sẽ không lớn nổi thành người

Giúp mik tiếng anh vs Bài 1và 2 ạ Ko bắt buộc!

IV. Read the text and choose the best answer to complete each sentences below: News media are the means or methods by which people lean what is happening in the city, in the country and in the world. The News media can be classified into two general categories: the categories of print media and electronic media. Print media use the written material to communicate news to readers. Electronic media use air waves to send news into homes, offices and public places. Print media are usually divided into magazines and newspapers. Most newspapers print news daily. For example, the newspaper “The news work times’’ is published weekly , the Newsweek and Times magazines are published once a week. The electronic media are generally divided into radio and television. Radio news is the one that you listen to. In the United States, many radio stations broadcast five minutes of news every hour. Television news is the one that you not only listen to but also watch. In Canada and the United states, for example, many people watch an hour of news on TV at six o’clock in the evening. In the future new categories of news media will develop. Even today computers are beginning to influence the transmission and reception of news 12. What do the print media use to communicate the news? A. TV B. air waves C. radio D. newspapers 13. What do the electronic media use to broadcast news? A. air waves B. magazines C. newspapers D. books 14. What is the New York Time an example of ? A. magazine B. newspaper C. radio program D. television program 15. Which of the following print media are published? A. Newsweek B. Times C. The New York Times D. all of above 16. Which of the following electronic media are broadcast? A. TV programs B. newspapers C. magazines D. none of above V. Choose the best answer to complete the passage: Tet or the Lunar New year holiday is the (36)…………important festival in Viet Nam. Tet is a (37) ……….festival (38) ……….occurs in late January or early February. It (39)……………a time for families to clean and decorate their houses, wear new (40) ………..and enjoy (41) ……. meals such (42)………… sticky rice cakes. Family members (43) …………….live apart try to be together at Tet. 36. A. best B. least C. worst D. most 37. A. joy B. joyness C. joyful D. joyfully 38. A. which B. who C. whom D. whose 39. A. was B. is C. were D. are 40. A. cloth B. clothes C. cloths D. clothing 41. A. special B. specially C. specialed D. specialing 42. A. more B. better C. best D. as 43. A. whom B. which C. who D. whose VI. Choose the sentence that has the same meaning with the sentence printed before: 44. It’s a pity. I can’t speak Chinese A.I wish I couldn’t speak Chinese B. I wish I can speak Chinese C. I wish I could speak Chinese D. I wish I can’t speak Chinese 45. “My family in Ha Noi now” she said A. She said that my family lived in Ha Noi now B. She said that her family lived in Ha Noi then C. She said that her family live in Ha Noi then D. She said that my family lived in Ha Noi then 46. He runs fast that he can get there first. A. He runs so fast that he can get there first B. He runs so fast that he can’t get there first C. He runs too fast to get there first D. He runs so fast that he could get there first 47. “Why don’t you ask the teacher to explain it again” John asked. A. John asked me why you didn’t ask the teacher to explain it again B. John asked me why I don’t ask the teacher to explain it again C. John asked me why I didn’t ask the teacher to explain it again D. John asked me why didn’t I ask the teacher to explain it again 48. I will marry her and I don’t care how old she is A. No matter how old she is, I will marry her B. No matter how old is she, I will marry her C. No matter how old she is, will I marry her D. No matter how she is old, I will marry her 49. They will translated this book into Vietnamese A. This book will translated into Vietnamese B. This book will be translated into Vietnamese C. This book will translating into Vietnamese D. This book will be translated into Vietnamese 50. Let’s go camping tomorrow A. Shall we going camping tomorrow B. Why don’t we going camping tomorrow C. How about go camping tomorrow D. I suggest going camping tomorrow

Chất làm mất màu dung dịch nước brom là: A. CH4 B. CO2 C. CaCO3 D. C2H4

Ai đáp giúp em với ạ ! em cảm ơn ạ .

Trình bày phương pháp điều chế oxi trong phòng thí nghiệm(viết phương trình hóa học minh họa)

Mọi người giúp mình với ạ, mình cảm ơn nhiều

Viết đoạn văn giải thích cho phần mở bài , kết bài với đề bài sau :Hãy giải thích ý nghĩa của câu ca dao : Nhiễu điều phủ lấy giá gương Người trong một nước phải thương nhau cùng ( Ai xong trước mình vote 5 sao, mình cần gấp... )