农药波尔多液是苹果、葡萄等生长过程中经常使用的杀灭霉菌的药剂
侯英超 |
发布日期：2010-05-01 17:03:02
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农药波尔多液是苹果、葡萄等生长过程中经常使用的杀灭霉菌的药剂，该农药配制方法是将石灰乳和硫酸铜溶液按一定比例混合即可。据此判断，下列叙述正确的是……………………………………………………………………………………（ ） A．硫酸铜属于盐类 B．石灰乳的pH 小于7 C．配制过程中不发生化学反应 D．波尔多液属于溶液 |
