题目

已知FeCl3的熔点为306℃,沸点为315℃,易吸收空气里的水分而潮解,实验室制备FeCl3的装置如图所示。 回答下列问题: (1) 装置A中仪器X的名称是,装置中发生反应的离子方程式为。 (2) 装置B中溶液为,C的作用是。 (3) 加热时,先点燃装置(填A或D)的酒精灯,当时,再点燃另一装置的酒精灯。 (4) 写出装置D制备FeCl3的化学方程式。 (5) 用粗硬质玻璃管直接连接装置D和E,比用细导管连接的优点是。 (6) 装阅读理解Hello, boys and girls. My name is Nancy. I’m twelve years old. I’m from England(来自英国). I like cats and monkeys. They are cute and funny. I can sing and dance well, but I can’t play table tennis. I have a good friend Helen. She’s eleven. She likes cats too. And she likes pears. She can’t dance, but she can swim very well. We often(经常) play together(一起).判断下列句子与短文内容是否相符。相符的在括号内写“T”,不相符的写“F”。【1】Nancy is twelve years old. (______)【2】Nancy likes cats and tigers. (______)【3】Helen likes pears. (______)【4】Nancy and Helen are good friends. (______)【5】Helen can sing and dance well. (______)
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