问题
填空题
稀释浓硫酸时,一定要把______沿着器壁慢慢地注入______里,并不断搅动,使产生的热量迅速地扩散.
答案
稀释浓硫酸时,要把浓硫酸缓缓地沿器壁注入水中,同时用玻璃棒不断搅拌,以使热量及时地扩散;一定不能把水注入浓硫酸中.
故答案为:浓硫酸;水.
稀释浓硫酸时,一定要把______沿着器壁慢慢地注入______里,并不断搅动,使产生的热量迅速地扩散.
稀释浓硫酸时,要把浓硫酸缓缓地沿器壁注入水中,同时用玻璃棒不断搅拌,以使热量及时地扩散;一定不能把水注入浓硫酸中.
故答案为:浓硫酸;水.
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