Can concentrated hydrochloric acid turn a piece of filter paper black?
回答 (2)
2015-08-31 1:22 pm
I doubt if conc HCl can do this . But Conc H2SO4 will dehydrate carbohydrates such as sucrose , glucose , cellulose , leaving the black carbon.
2015-08-31 2:13 pm
Yes
收錄日期: 2021-05-01 22:42:58
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