问题
填空题
只有当两种化合物互相交换成分，生成物中有______析出或有______放出或有______生成时，复分解反应才可以发生．
答案
本题要求熟记发生复分解反应的三个条件，记住了这三个条件，但还应看横线后面的文字提示，第一空应该是沉淀析出，第二空应该是气体放出，最后一空就是水生成了．
故答案：“沉淀”、“气体”、“水“．
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只有当两种化合物互相交换成分，生成物中有______析出或有______放出或有______生成时，复分解反应才可以发生．
本题要求熟记发生复分解反应的三个条件，记住了这三个条件，但还应看横线后面的文字提示，第一空应该是沉淀析出，第二空应该是气体放出，最后一空就是水生成了．
故答案：“沉淀”、“气体”、“水“．
| 完形填空。 |
| It's the end 1 the school year. We're going to 2 a farewell party tomorrow. Chen Jie can sing songs. Zhang Peng can play 3 piano. Mike can do 4 Kungfu. We are going to 5 Our parents to the party. I'll 6 some gifts for my friends. I know Liu Yun 7 collecting stamps. I'll give her a book 8 stamps. I know John likes 9 kites. I'll give him a new kite. I'm sure they 10 like these gifts. |
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