user-avatar
nambeooi
2 năm trước
Câu 4: Cho 39 gam Kẽm tác dụng vừa đủ với 600 ml dung dịch HCl nồng độ aM tạo ra dung dịch A và khí B. a/ Tính nồng độ aM của dung dịch HCl và thể tích khí B sinh ra (đktc). b/ Tính nồng độ mol của chất trong dung dịch A ( coi như thể tích dung dịch không đổi)
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

III. Choose the word or phrase that best completes each unfinished sentence below.(2ms) 1. Mi _________in a town house. A. to live B. live C. lives D. living 2. We _________a soccer match with our friends tomorrow. A. are watching B. watches C. watched D. to watch 3. My father is out. Would you like _________ her a message? A. leaving B. leave C. to leave D. to leaving 4. She doesn’t talk much when she meets new friends. She is _________ A. confident B. creative C. helpful D. shy 5. Let’s _________ some fruits at the supermarket now. => That’s a good idea! A. buy B. to buy C. bought D. is buying 6. My friends always do their homework. They are _________. A. hard-working B. lazy C. boring D. confident 7. There _________.a lamp, a computer, and some books on my desk A. has B. have C. is D. are 8. My best friend _________.a round face and long black hair. A. has B. have C. is D. are IV. Match a question in A with a suitable answer in B.(1m) A B 0. What's your name? 1. Can you turn on the television? 2. What is he like? 3. Is there a clock on the wall? 4. Would you like to go out for drink? A. Yes, I'd love to. B. He is tall and thin C. My name is Nga. D. Yes, there is. E. Yes, sure. 0 + C 1 + 2 + 3 + 4 + V. Circle the correct sentence: A or B(1m) ( Khoanh tròn câu đ úng A ho ặ c B) 1. A. I’m having a party tonight B. I’m having a party everynight. 2. A. The dog is a long tail B. The dog has a long tail. 3. A. Kien often drives his bike to school. B. Kien often rides his bike to school. 4. A. Phuong is good at English B. Phuong is good on English VI. Read the e-mail and answer the questions below (3ms) Hi My My, Thanks for your e-mail. Now I will tell you about my house. I live with my parents and younger brother in a town house. It’s big. There are six rooms: a living room, a kitchen, two bedrooms, and two bathroom. I like my bedroom best. We’re moving to an apartment soon. What about you? Where do you live? Tell me in your next e-mail. Thy Thy 1. Who writes this e-mail? ____________________________________________________________ 2. Who does she send this e-mail to? _____________________________________________________________ 3. What is the subject of this e-mail? ____________________________________________________________________ 4. Who does Thy Thy live with? ___________________________________________________________ 5. Is her house small? ____________________________________________________________ 6. What does she ask My My to do in next e-mail? ____________________________________________________________ V. Write full sentences (1m) 1. What/ you/ do/ this afternoon? _______________________________________________________________ 2. Would you like/ play football/ the park? _______________________________________________________________ 3. My brother / kind/ hard-working ________________________________________________________________ 4. Look! The girls / skipping rope/ the playground. ________________________________________________________________

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