2009年貴陽市初中畢業(yè)生學業(yè)考試語文試題-資料下載頁
2024-11-04 12:54本頁面
【正文】 ，Na2CO3和HCl（3）取濾液少量，加入BaCl2溶液，無沉淀產(chǎn)生，再滴入幾滴酚酞試液，溶液變紅色，—則證明溶液中還有OH。取濾液少量，加入足量BaCl2溶液，有白色沉淀產(chǎn)生，再取上—層清液滴入酚酞試液，若溶液不變色，則證明溶液中還含有CO32。若溶液變?yōu)榧t色，——則證明溶液中同時還有CO3OH39.（10分）（1）CaCO3+2HCl=CaCl2+H2O+CO2↑（2分）（2）吸水作干燥劑（1分）（3）吸收多余的二氧化碳（1分）（4）可通過控制加酸的量，控制產(chǎn)生氣體的快慢；同時小試管中充滿鹽酸，可達到液封—催化劑的作用。MnO2（5）①2H2O2═══2H2O+O2↑（2分）②在D、E之間增加一個裝有澄清石灰水的洗氣瓶，石灰水變渾濁，則說明有二氧化碳生成；再在F出點燃氣體，若產(chǎn)生藍色火焰，且在火焰上方罩一內(nèi)壁涂有石灰水的燒杯，石灰水變渾濁，則證明有CO生成（2分）（5分）(1)如右圖（1分）解：（2）設混合物中Na2CO3的質(zhì)量為x，100g硫酸溶液中H2SO4的質(zhì)量為y。Na2CO3+ H2SO4 = Na2SO4+H2O+ CO2↑1069844x = y = －=(3)稀硫酸的溶質(zhì)質(zhì)量分數(shù)為：100%=%答：略（1分）（1分）（1分）（1分）第四篇：初中畢業(yè)生學業(yè)考試初中畢業(yè)生學業(yè)考試一、選擇題。，則實數(shù)n的最大值是（）A．178。6x+8=0的解是（）178。+bx+c=0中的二次項系數(shù)與常數(shù)項之和等于一次項系數(shù)，那么方程必有一根是（）4.第五篇：貴陽市2013年初中畢業(yè)生模學業(yè)考試英語聽力材料貴陽市2013年初中畢業(yè)生學業(yè)考試 英語聽力材料 Ｉ、聽力測試（本大題共30分，每小題1分）Ａ 聽對話，選擇與對話內(nèi)容相符的圖，并將答題卡上該選項涂黑。（讀一遍）’s wrong with you ,Mike?I have a does the sign mean?It means you can’t take photos , what does your teacher look like?She’s thin with long , can you play the piano?Yes, I can play it very , would you like something to drink?A cup of coffee, are you going on vacation, Betty?I’ll go to Beijing with my 聽句子，選擇恰當?shù)膽穑⒋痤}卡上該選項涂黑。（讀一遍） color is the bag? you for your ’s go for a ’s the time, please? often do you exercise? Ｃ 聽對話，根據(jù)對話內(nèi)容，選擇正確的選項完成句子，并將答題卡上該選項涂黑。（讀二遍）: What do you think of the movie, Rose?W: It’s : Jim, are you ready to do some volunteer work?M: Yes, I’d like to help clean up the city : Alice, are you afraid of cats?W: I’m afraid of : Where are you going , Ted?M: I’m going to the train station to meet my : Hi, were you doing at 6:00 ?M: Oh, I was cooking dinner at : You look so happy today, Mary，W: got a letter from my pen 聽對話及問題，根據(jù)對話內(nèi)容選擇正確的答案，并將答題卡上該選項涂黑。（讀二遍）: What’s your favorite subject ,Peter?B: : Why?B: Because it’s : Which subject does Peter like? : When is your birthday, Tina?B: On May the : How old are you, now?B: I’m : When is Tina’s birthday? : What’s your hobby , Jack?B: I like collecting : How many stamps do you have ?B: About : What does Jack collect? : What can I do for you, Madam?B: I’m looking for a : The red one is five : OK, I’ll take : How much is the red Tshirt? : Excuse me, is there a supermarket near here? B: Yes, there’s : Where is it ? B: It’s next to the : Where’s the supermarket? : Tom, what are you going to be when you grow up ?B: I’m going to be an : How are you going to do that ?B: I’m going to take acting : How is Tom going to be an actor? Ｅ 聽短文及問題，根據(jù)短文內(nèi)容選擇正確答案，并將答題卡上該選項涂黑。（讀三遍）I’m Molly from I’m studying in a ’m not happy every are too many rules I my parents always tell me, ”Don’t do that!You have to do this!” For example , I have to get up early and make my can’t listen to music when I’m breakfast, I have to take the bus to class because I can’t be so, my teachers will be weekends, I have to finish doing my homework before I watch must read books before I go to I have to be on bed at 10:00 ’s parents are so strict with makes me need more time to play and should I do ? Questions :’s Molly from? can’t Molly do when she’s eating? does Molly go to school? does Molly go to bed?’s strict with Molly? is Molly unhappy every day?
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