题目

下图为实验室制取气体的常用装置图,请回答下列问题。 (1) 仪器①的名称为。 (2) 若选择高锰酸钾制取氧气,该反应的方程式为,则发生装置应选择,该装置的明显缺陷是。 (3) 实验室制取二氧化碳的方程式为,不能选择C装置收集的原因是,若选择D装置收集该气体,气体应从端通入,验满的方法为。 在下面对话的空白处填入适当的话语(话语可以是句子、短语或词)。(5分)A: 1._______________________, Tina?B: My birthday is on December 7th. You know, today is my birthday.A: Oh, Happy birthday to you!B: 2._______________________, Lucy.A: I want to buy a gift (礼物) for you. Let’s go to the store. OK?B: Great! Thanks very much.(In the store)C: 3.________________________?A: Yes, please. I'm looking for a pair of socks for my friend.C: What color does she like? A: She likes black.C: What do you think of these socks?A: They’re great. 4._______________________? C: 20 yuan.A: OK, 5.________________________. Thank you.
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