litmus blue
常见例句
- Besides having a sour test , acids change the colour of litmus from blue to red.
除了有酸味以外,酸还能使石蕊由蓝色变成红色。
tsunzhi.blog.163.com - Turn the remnant of sodium hydroxide in the tube into water, and you'll find the solution turns red litmus blue.
把管内的氢氧化钠残液倒入水中,你就会发现:溶液会使红色石蕊试纸变蓝。
www.poetic.com.cn - It was not quite the sudden shift from litmus red to blue of an acid being neutralised by an alkali, but it was not far off.
这种变化虽然不同于碱滴定酸时石蕊由红到蓝的突然转变,但也相差不远了。
blog.sina.com.cn - It was not quite the sudden shift from litmus red to blue of an acid being neutralised by an alkali, but it was not far off.
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