溶于水的时候,baking soda(NaHCO3)和酸反应,生成二氧化碳气体,所以有小气泡。而baking soda自己溶解在水里,自然没有小气泡。
溶于水的时候,baking soda(NaHCO3)和酸反应,生成二氧化碳气体,所以有小气泡。而baking soda自己溶解在水里,自然没有小气泡。
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