Caroline

Cho 50 gam dung dịch H2SO4 9,8% (dung dịchA) .Hãy tính: a)Khối lượng H2SO4 và khối lượng nước có trong dung dịch A. b) Thể tích Khí H2 thoát ra

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Cho 50 gam dung dịch H2SO4 9,8% (dung dịchA) .Hãy tính: a)Khối lượng H2SO4 và khối lượng nước có trong dung dịch A. b) Thể tích Khí H2 thoát ra ở dktc khi cho mẫu kẽm(lấy dư) vào dung dịch A, biết phản ứng xảy ra hoàn toàn C) Nồng độ phần trăm của dung … Đọc tiếp

Complete each of the following sentences with the correct form of the word in the bracket. 1. Daniel is very interested in history and (archaeologist)

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Complete each of the following sentences with the correct form of the word in the bracket. 1. Daniel is very interested in history and (archaeologist)………………….,and often visits historic sites. 2. They are doing some (archaeology)……….excavations at the site 3. She wanted to be an (archaeology)…………….in her youth. 4. He escaped from (real)…………………..by going to the … Đọc tiếp

Complete each of the following sentences with the correct form of the word in the bracket. 10. Venice is the wonderful city to (exploration)–..

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Complete each of the following sentences with the correct form of the word in the bracket. 10. Venice is the wonderful city to (exploration)…………….. 11. Many countries are making great efforts to carry out the (explore)……………….of space. 12. For (enthusiasm)……………………cave (explore)…………Son Doong has a lot of discover. 13. There are still billions of (explore)…………planets in … Đọc tiếp

ClEFT SENTENCE, 1. My father usually complains about my students whenever they go to my house. ========– 2. I used to like climbing

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ClEFT SENTENCE, 1. My father usually complains about my students whenever they go to my house. ————————– 2. I used to like climbing up tress and pick fruits. ——— 3. My neighbors always make noise at night. ——— 4. We often complains about the noise at night 5. You gave her a bunch of rose … Đọc tiếp

V. Make the questions with the words underlined. 1. My parents are taking me to London this Saturday. 2. They often play soccer after school. VI. Wri

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V. Make the questions with the words underlined. 1. My parents are taking me to London this Saturday. 2. They often play soccer after school. VI. Write the sentences with the cues given 1. Hue / be / busy / than / Da Nang / ? 2. I / do / gardening / tomorrow. 3. … Đọc tiếp