Cho Al tác dụng vừa đủ với 6,72 lít khí O2 (đktc) thu được số gam sản phẩm là A: 20,4. B: 15,3. C: 17,85. D: 10,2 .

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IIII. Rewrite the following sentences, beginning as shown, so that the meaning stays the same. 1. Nha Trang attracts lots of tourists. It has clean and beautiful beaches. ➢ Because……………………………………………………………………………………….. 2. There are three interesting films on VTV3 today. ➢ Today VTV3 has……………………………………………………………………………… 3. How awful the pictures are! ➢ What ………………………………………………………………………………………….. 4. He goes to lots of music festivals. He doesn’t like camping. ➢ Although ……………………………………………………………………………………… 5. Why don’t you go on holiday for a few days? ➢ You should…………………………………………………………………………………….. 6. He began working here in 2000. ➢ He has ………………………………………………………………………………………… 7. She is interested in reading books in the evening. ➢ She enjoys…………………………………………………………………………………….. 8. We’ve never tasted fish and chips before. ➢ It’s…………………………………………………………………………………………….. 9. New York is larger than São Paolo. Tokyo is larger than New York. ➢ Tokyo is ………………………………………………………………………………………. 10. New York is more exciting than any other cities in the world. ➢ New York is……………………………………………………………………………………