a) viết phương trình phản ứng xảy ra khi cho lần lượt từng chất trong nhóm A tác dụng với từng trong nhóm B và ghi rõ điều kiện của phản ứng nếu có? nhóm A:HCl,Cl2 nhóm B:H2,Fe, dd KBr, dd KOH b)nêu các ứng dụng quan trọng của clorua vôi?

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I. Read the following text and answer the questions by choosing the option A, B, C or D. The story of Diego Maradona, the Argentina footballer, is the story of the rise and fall of a poor man who became a world star, but paid the price of fame. At 33 years of age, he is now at the end of a career which saw him in the 1980s, as the bright star of World Cup football. Maradona was born in the poor area of Furito in Buenos Aires. Early in his life, he was able to realize a dream of most poor boys, the dream that way out of poverty-trap is through success in sport. Sport in the world around is an activity open to all people, no matter what their background is. Diego Maradona is one of eight children. His father is an Indian and his mother is an Italian. The games of football played in the dirty street outside his small white, one-storied home in Furito were to provide him with a passport out of the small town. Today, poorly-dressed boys still run and kick balls around the street from which their hero traveled to become one of the world’s great football artists. Questions: 1. Who is Diego Maradona? A. a poor am B. a footballer C. a world star D. both B and C 2. How old was he when he wasn’t a footballer anymore? A. 23 B. 33 C. 43 D. 53 3. Where was he born? A. Furito B. India C. Asia D. Brazil 4. What was his dream? A. A. A movie star is the way to get out of poverty. B. A football coach to teach football for poor children. C. A music star performs in the final football match. D. Success in sport is the way out of poverty-trap. 5. How many people are there in his family? A. 8 B. 9 C. 10 D.11 6. What is his parents’ nationality? A. Argentinean B. Indian C. Italian and Indian D. Italian