1. Hoa was born in Doc So craft village. She knows the process of making pottery. (BECAUSE) ____________________________________________________________________ 2. The library was bombed. Many important historical documents were destroyed. (WHEN) ____________________________________________________________________ 3. She entered the room. She knew there was something wrong. (AS SOON AS) ____________________________________________________________________ 4. We decided to take rooms in Longwood House. We knew we could not afford the rent. (EVEN THOUGH) ____________________________________________________________________ 5. My mom instructed me through 15 stages of making a conical hat. I could make one forme. (SOTHAT) ____________________________________________________________________ 6. You want to knit a hat for your friend. You should watch tutorials on YouTube. (BEFORE) ____________________________________________________________________ 7. I was not enjoying the party. I wanted to leave early. (AS) ____________________________________________________________________ 8. I was cleaning out my cupboards. I found these photos. (WHILE) ____________________________________________________________________ 9. I went to Malaysia last year. I wanted to experience a whole new world. (IN ORDER TO) ____________________________________________________________________ 10.I attended a knitting workshop last Sunday. I don’t know how to knit a scarf. (ALTHOUGH) ____________________________________________________________________

1. I’m really excited about the upcoming pottery workshop. → I’m looking___________________________________________________________ 2. We invited a pop star to the chat show, but he didn't arrive. → The pop star __________________________________________________________ 3. He misbehaved in the class so the teacher asked him to go out. → The teacher asked______________________________________________________ 4. The artisans carved figures of lions and unicorns on the top of the box. → Figures ______________________________________________________________ 5. Don't leave the computer on when you leave. → Turn ________________________________________________________________ 6. They wanted to apologize for their behavior: that’s why they paid for dinner. → They paid for dinner in order _____________________________________________ 7. When I was a child, I usually went to the local park every Saturday afternoon. → When I was a child, I used _______________________________________________ 8. Their teacher is making them study hard. → They ___________________________

Nung 31,6 gam KMnO 4 sau pư thu được 29,04 gam chất rắn. Tính hiệu suất pư?

Đốt 6,4 gam bột lưu huỳnh trong khí oxi dư thu được V lít khí lưu huỳnh dioxit (đktc), hiệu suất pư là
80%. Tìm V?

Nung 24,5 gam KClO 3 sau pư thu được bao nhiêu lít khí O 2 đktc. Biết hiệu suất pư là 90%.

Nung 36,75 gam KClO 3 sau pư thu được 30,99 gam rắn Tính hiệu suất pư?

Câu 4. Nung 31,6 gam KMnO 4 sau pư thu được 29,04 gam chất rắn. Tính hiệu suất pư?

Câu 3. Cho H 2 dư qua 16 gam CuO đun nóng, sau pư được 10,24 gam Cu. Tính hiệu suất pư?