两根玻璃棒分别蘸浓盐酸和浓氨水,逐渐靠近而不接触,哪一方冒出白烟
两根玻璃棒分别蘸浓盐酸和浓氨水,逐渐靠近而不接触,哪一方冒出白烟
化学人气:533 ℃时间:2020-03-27 09:13:50
优质解答
浓氨水与浓盐酸挥发出后就会直接在空气中发生反应,谁浓度大白烟就靠近谁~
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