(苏教版化学)5.4《化学农药的发展》同步练习(含答案)内容摘要:
4、)、生活污水(污水、垃圾)。 防治水污染的方法应科学、切实可行,做法太绝对,不切实际,不可取。 答案安徽理综) 北京奥运会期间对大量盆栽鲜花施用了S诱抗素制剂,以保持鲜花盛开。 S诱抗素的分子结构如图,下列关于该分子说法正确的是()。 A含有碳碳双键、羟基、羰基、羧基B含有苯环、羟基、羰基、羧基C含有羟基、羰基、羧基、酯基D含有碳碳双键、苯环、羟基、羰基解析从题图示可以分析,该有机物的结构中存在 3 个碳碳双键、1 个羰基、1 个醇羟基、1 个羧基。 A 选项正确。 答案药的合成6蚂蚁等群居性昆虫在找到食物后的归巢途中,用一种自身分泌物涂在地上,为其他蚂蚁觅食引路。 这种分泌物叫跟踪剂,是信息素的一种。 所。(苏教版化学)5.4《化学农药的发展》同步练习(含答案)
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