问题
选择题
化学与生活、社会密切相关。下列说法不正确的是 [ ]
A．用浓H2SO4刻蚀工艺玻璃上的纹饰
B．用含Al(OH)3的药物治疗胃酸过多
C．用Ca(OH)2处理酸性废水
D．用加入Na2S的方法除去废水巾的Hg2+
答案
答案：A
搜题请搜索小程序“爱下问搜题”
化学与生活、社会密切相关。下列说法不正确的是 [ ]
A．用浓H2SO4刻蚀工艺玻璃上的纹饰
B．用含Al(OH)3的药物治疗胃酸过多
C．用Ca(OH)2处理酸性废水
D．用加入Na2S的方法除去废水巾的Hg2+
答案：A
| 阅读短文，判断句子正(T)误(F)。 | |
Chinese team. The football match is going to be over at six o'clock in the afternoon. Our teachers, Mr Li and Mr Wang, are going to watch the football match with us. We are going there by bus. We think we can come back at about eight in the evening. ( ) 1. There is a football match between a Chinese team and a Japanese team. ( ) 2. The match will be over at four o'clock in the afternoon. ( ) 3. We are going there by train. ( ) 4. Mr Li and Mrs Li are going to watch the match with us. ( ) 5. We will come back at about seven in the evening. |