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mww0212
2 năm trước
Hòa tan hoàn toàn 1,15 gam kim loại X vào nước thu được dung dịch Y. Để trung hòa Y cần vừa đủ 50 gam dung dịch HCl 3,65%. Kim loại X là
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

I. Do as directed in brackets. 1. Nam works more responsibly than his brother. (Rewrite the sentence, using “less”) _______________________________________________________________ 2. The cultural heritage of the ethnic peoples in Viet Nam is very rich. (Make the question for the underlined words) _______________________________________________________________ 3. It is necessary for Lan to be home by 9 p. m sharp. (Complete the sentence with the correct form of “have to” Lan _____________________________________________________________ 4. When we came to the festival, ___________________________________ (Complete the complex sentence) 5. In the middle of my meal, the phone rang. While I _________________________________________________________ 6.Despite the small prize, every rider is proud to be the race winner. Although ________________________________________________________ 7. Blind people can read with Braille. (Write a question for the underlined part) ________________________________________________________________ 8.According / tradition/ you / not sweep / floor / the first day of Tet (Write a complete sentence) ________________________________________________________________ 9. In the middle of my meal, the phone rang. While I _________________________________________________________ 10.Despite the small prize, every rider is proud to be the race winner. Although ________________________________________________________ 11. Blind people can read with Braille. (Write a question for the underlined part) ________________________________________________________________ 12.According / tradition/ you / not sweep / floor / the first day of Tet (Write a complete sentence) ________________________________________________________________ 13. Thai cloth is well-known for being unique, colourful and strong. (Write a question for the underlined part) ________________________________________________________________ 14.Children are waiting for the moon to rise. They sing, dance and listen to the story of Hang Nga and Cuoi. (Combine into one, using a suitable subordinator) _____________________________________________________________ 15. My area broke with tradition by don't have fire crackers on New Year's Eve. (Rewrite the sentence in correct English) ________________________________________________________________ 16.A lion runs faster than a horse. A horse runs ______________________________________________________ Sẽ có CTLHN và 5 sao nhanh chóng ạaa

II. Choose the word that has different stress pattern. 1. a. festival b. history c. station d. resource 2. a. begin b. important c. devote d. statue 3. a. convince b. ugly c. weather d. customer 4. a. flourishing b. bicycle c. impress d. caution 5. a. celebration b. production c. competition d. anniversary 6. a. ancestor b. curious c. heritage d. tradition 7. a. diversity b. minority c. socialize d. addicted 8. a. buffalo b. recognize c. convenient d. Cultural 9. a. Complicated b. Community c. Majority d. communicate 10. a. satisfied b. nomadic c. generous d. socialize 11. a. cartoon b. honor c. culture d. honesty 12. a. character b. adventure c. library d. knowledge 13. a. decoration b. musician c. material d. narration 14. a. collection b. connection c. option d. attraction 15. a. believe b. natural c. intelligence d. experiment

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