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Nung 13,4 gam hỗn hợp 2 muối cacbonat của 2 kim loại hóa trị II sau một thời gian thu được 9,88 gam chất rắn và khí X. Cho toàn bộ khí X hấp thụ hết vào 300ml dung dịch NaOH 0,5M. Tính khối lượng muối tạo thành trong dung dịch sau phản ứng
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TEST 3 I.Choose the word that has the underlined part is pronounced differently.(1p) 1. A. high B. his C. miss D. this 2. A. looks B. cooks C. miles D. unlocks 3. A. helped B. decided C. stopped D. developed 4. A. meat B. reader C. sea D. realize II. Supply the correct forms or tenses of the verbs in parentheses.(2pts) 1. My dad enjoys (ride) ____________ his bike to work. 2. She (go)___________ out with her friends last night. 3. I (live) __________ in Thanh Hoa since 1993. 4. They usually( take)___________ a lot of beautiful photos. 5 __________ you (visit) __________ last summer? 6. I ______ just________ (buy) a ticket. I'm going to the movie at 8 o’clock this evening. 7. What __________ your mother often (do) __________ at weekends? 8. My brother ( collect) __________ stamp when he was a child . III. Find the odd A,B,C or D. (1p) 1. A. common B. favourite C. unusual D. popular 2. A. like B. love C. enjoy D. hate 3. A. album B. stamps C. mountain D. collector 4. A. cycling B. cooking C. gardening D.morning IV. Choose the best answer to complete the sentences.(2ps) 1. Don’t read in bed ______ you want to harm your eyes. A. if B. unless C. or D. so 2. She loves ______ flowers and putting them into different vases. A. buying B. to buy C. buy D. bought 3. If you want to live long, you ______ eat more vegetable and fruit. A. should B. shouldn’t C. had to D. needn’t 4. These people live in the mountains, _________ they have a lot of fresh air. A. so B. because C. but D. or 5. There are _______ bottles of milk in the fridge. A. any B. lot of C. much D. many 6. She _______ thirteen on her next birthday. A. will be B. is C. was D. has been 7. It is _____ to eat so much junk food. A. healthy B. unhealthy C. healthful D. health 8. The room smells bad. Somebody ________ in here. A. smoked B. smoke C. is smoke D. is smoking V. Rewrite the sentences, so that their meaning stays the same,using the beginning. (2 ps) 1. Nam enjoys learning English.  Nam ’s hobby ……………………………………………………………………… 2. Her hobby is collecting bottles. → She enjoys……………………………………………………….………………….. 3. Because it’s not good for her health, Trang hates junk food. → …………………………….., so ………………………………………………… 4. Mountain climbing is difficult. →They find………………………………………………………………………… VI. Read the passage and answer the questions ( 2,0 pts) My father has unusual hobby, carving eggshells. As everyone knows, eggshells are very fragile. My dad can make beautiful pieces of art from empty eggshells. It’s amazing. He started the hobby five years ago arter a trip to the US where he saw some carved eggshells in an art gallergy. My father did not go to class to learn how to carve. He learned everything from the Internet. 1. What is the hobby of writer’s father? ……………………………………………………………………..................…….. 2. When did he start the hobby? ………………………………………………………………………..................…... 3. Did he go to class to learn how to carve? …………………………………………………………………………..................... 4. How do you find carving eggshells? …………………………………………………………………………..................... 5. Do you like carving eggshells? ………………………………………………………………………….....................

TEST 3 I.Choose the word that has the underlined part is pronounced differently.(1p) 1. A. high B. his C. miss D. this 2. A. looks B. cooks C. miles D. unlocks 3. A. helped B. decided C. stopped D. developed 4. A. meat B. reader C. sea D. realize II. Supply the correct forms or tenses of the verbs in parentheses.(2pts) 1. My dad enjoys (ride) ____________ his bike to work. 2. She (go)___________ out with her friends last night. 3. I (live) __________ in Thanh Hoa since 1993. 4. They usually( take)___________ a lot of beautiful photos. 5 __________ you (visit) __________ last summer? 6. I ______ just________ (buy) a ticket. I'm going to the movie at 8 o’clock this evening. 7. What __________ your mother often (do) __________ at weekends? 8. My brother ( collect) __________ stamp when he was a child . III. Find the odd A,B,C or D. (1p) 1. A. common B. favourite C. unusual D. popular 2. A. like B. love C. enjoy D. hate 3. A. album B. stamps C. mountain D. collector 4. A. cycling B. cooking C. gardening D.morning IV. Choose the best answer to complete the sentences.(2ps) 1. Don’t read in bed ______ you want to harm your eyes. A. if B. unless C. or D. so 2. She loves ______ flowers and putting them into different vases. A. buying B. to buy C. buy D. bought 3. If you want to live long, you ______ eat more vegetable and fruit. A. should B. shouldn’t C. had to D. needn’t 4. These people live in the mountains, _________ they have a lot of fresh air. A. so B. because C. but D. or 5. There are _______ bottles of milk in the fridge. A. any B. lot of C. much D. many 6. She _______ thirteen on her next birthday. A. will be B. is C. was D. has been 7. It is _____ to eat so much junk food. A. healthy B. unhealthy C. healthful D. health 8. The room smells bad. Somebody ________ in here. A. smoked B. smoke C. is smoke D. is smoking V. Rewrite the sentences, so that their meaning stays the same,using the beginning. (2 ps) 1. Nam enjoys learning English.  Nam ’s hobby ……………………………………………………………………… 2. Her hobby is collecting bottles. → She enjoys……………………………………………………….………………….. 3. Because it’s not good for her health, Trang hates junk food. → …………………………….., so ………………………………………………… 4. Mountain climbing is difficult. →They find………………………………………………………………………… VI. Read the passage and answer the questions ( 2,0 pts) My father has unusual hobby, carving eggshells. As everyone knows, eggshells are very fragile. My dad can make beautiful pieces of art from empty eggshells. It’s amazing. He started the hobby five years ago arter a trip to the US where he saw some carved eggshells in an art gallergy. My father did not go to class to learn how to carve. He learned everything from the Internet. 1. What is the hobby of writer’s father? ……………………………………………………………………..................…….. 2. When did he start the hobby? ………………………………………………………………………..................…... 3. Did he go to class to learn how to carve? …………………………………………………………………………..................... 4. How do you find carving eggshells? …………………………………………………………………………..................... 5. Do you like carving eggshells? …………………………………………………………………………..................... Hộ :))

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