Viết phương trình hóa học biểu diễn sự cháy trong oxi của các đơn chất : cacbon , photpho , hiđro , nhôm , biết rằng sản phẩm là những hợp chất lần lượt có CTHH : CO2, P2O5, H2O, Al2O3. Hãy gọi tên các chất sản phẩm .

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1 Mark the letter A, B, C or D to indicate the correct answer to each of the following questions. He wondered ________ to tell the news to his parents. A: whom B: which C: what D: how 2 Mark letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to the original sentence in each of the following questions. "You should take more exercise, Mr. Hung" the doctor said. A: The doctor suggested Mr. Hung to take more exercise. B: The doctor advised Mr. Hung to take more exercise. C: The doctor asked Mr. Hung to take more exercise. D: The doctor ordered Mr. Hung to take more exercise. 3 Mark the letterA,B,C,or D on your answer sheet to indicate the sentence which has a similar meaning to the first one in each of the following questions. The traffic in big cities is horrible. I can"t bear it. A: I can"t put out the horrible traffic in big cities. B: I can"t put up with the horrible traffic in big cities. C: I can"t put off the horrible traffic in big cities. D: I can"t put down on the horrible traffic in big cities. 4 Mark the letter A, B, C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions. We will join in activities to improve our self-care skills. A: participate B: take part in C: interested in D: take in 5 Read the following passage and mark the letter A, B, C, or D to indicate the correct answer. What is it like being a teenager in Britain? ‎School ‎British teenagers spend most of their time at school. Students in Britain can leave school at sixteen (grade 11). This is also the age when most students take their first important exams, the GCSE (General Certificate of Secondary Education). Most teens take between 5 -10 subjects, which means a lot of studying. They are spending more time on homework than teenagers ever before. Forget watching TV, teenagers in Britain now spend 2 -3 hours on homework after school. ‎School uniform ‎Visit almost any school in Britain and the first thing you’ll notice is the school uniform. Although school uniform has its advantages, when they are 15 or 16 most teenagers are tired of wearing it. When there is more than one school in a town, school uniforms can highlight differences between schools. In London there are many cases of bullying and fighting between pupils from different schools. Clothes and looks ‎In Britain, some teens judge you by the shirt or trainers you are wearing. 40% of British teenagers believe it’s important to wear designer labels. If you want to follow the crowd, you need to wear trendy labels. Teenagers in Britain wear fashionable trainers and the more expensive, the better. Most students in Britain take the GCSE when ________ A: they begin grade 11 B: they are 11 years old C: they are 16 years old D: they finish grade 10 6 Read the following passage and mark the letter A, B, C, or D to indicate the correct answer. What is it like being a teenager in Britain? ‎School ‎British teenagers spend most of their time at school. Students in Britain can leave school at sixteen (grade 11). This is also the age when most students take their first important exams, the GCSE (General Certificate of Secondary Education). Most teens take between 5 -10 subjects, which means a lot of studying. They are spending more time on homework than teenagers ever before. Forget watching TV, teenagers in Britain now spend 2 -3 hours on homework after school. ‎School uniform ‎Visit almost any school in Britain and the first thing you’ll notice is the school uniform. Although school uniform has its advantages, when they are 15 or 16 most teenagers are tired of wearing it. When there is more than one school in a town, school uniforms can highlight differences between schools. In London there are many cases of bullying and fighting between pupils from different schools. Clothes and looks ‎In Britain, some teens judge you by the shirt or trainers you are wearing. 40% of British teenagers believe it’s important to wear designer labels. If you want to follow the crowd, you need to wear trendy labels. Teenagers in Britain wear fashionable trainers and the more expensive, the better. What do most teenagers in Britain prefer to wear? A: fashionable hats B: economical trainers C: trendy labels D: expensive uniforms 7 Mark the letter A, B, C or D to indicate the correct answer to each of the following questions. In recent years, there have been thousands of victims of sexual and physical ________. A: win B: happiness C: abuse D: sentence