user-avatar
ntiendung475
2 năm trước
Phản ứng nào sau đây KHÔNG tạo ra Fe? A. Mg + dung dịch Fe(NO 3 ) 2 . B. Khử Fe 2 O 3 bằng CO. C. Điện phân dung dịch FeCl 2 . D. Cu + dung dịch Fe(NO 3 ) 3 .
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

A. PRONUNCIATION Choose the word that has the underlined parts pronounced differently. 1. a. books b. pencils c. rulers d. bags 2. a. read b. teacher c. eat d. ahead 3. a. tenth b. math c. brother d. theater 4. a. has b.name c. family d. lamp 5. a. does b. watches c. finishes d. brushes 1.__ 2.__ 3.__ 4.__ 5.__ B. GRAMMAR I. Choose the correct answer. 1. Is she hungry ____full? - She isn't hungry. She is full. a. and b. but c. so d. or 2. What about ____ some lemonade? - That's a good idea. a. have b. having c. has d. had 3. It is too far. Let's go there ____ minibus. a. with b. in c. on d. by 4. The Eiffel Tower is ____ than the Statue of Liberty. a. high b. highest c. higher d. the highest 5. Hurry up! We've got ____ time. a few b. much c. a little d. some II. Put the verbs in brackets into the correct form. 1. Where (be) ____ Mum? - She (cook) ______ in the kitchen. 2. An usually (wash) _____ his hands before meals. 3. Hoa! (come) _____ in, please! 4. Would you like (come) ______ to my house for dinner? 5. I'd like (drink) ______ a cup of coffee. 6. Look ! A man ( run)______ after the bus. He wants to catch it. 7.It ( rain) ________ now. 8. The building (collapse) _____________ last year. 9. Uncle Ho (bear) _____________ on May 19, 1890. 10. This floor never looks dirty. People (clean) _________ it every day. III.Write a paragraph (50-60 words) about your best friend Mn lm hộ mk với ạ

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team