作业帮different between blue litmus and red litmus
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different between blue litmus and red litmus
different between blue litmus and red litmus
different between blue litmus and red litmus
这个不需要我也用英文回答吧……
litmus是石蕊,这句话就是说红色石蕊和蓝色石蕊的区别.石蕊是酸碱指示剂,是一种弱酸,红色是石蕊在酸性条件下的颜色,蓝色是碱性的颜色.应该说这两种情况下它们并不是同一种物质,而是一对共轭酸碱对,当石蕊处在酸性条件下时,它会和氢离子结合显红色；碱性条件下氢离子解离下来,显蓝色.
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