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Anonymous users2024-01-24A. White vinegar has a sour taste, and alcohol has a special fragrance, which can be identified by smelling the smell;
B. White vinegar cannot be burned, alcohol can be burned, and the method of ignition can be identified;
C. White vinegar can react with calcium carbonate, the component of eggshell, to form carbon dioxide gas, while alcohol does not react with calcium carbonate, the phenomenon is different, and it can be identified;
D. White vinegar and liquor are colorless liquids, and the color cannot be identified;
So choose D
1 smell can be distinguished 2 freezer frozen ice for vinegar, and vice versa for alcohol. 3 Add water in a ratio of 1:10 and dip it to taste. 4. Take a small amount, add some edible alkaline noodles, bubble into vinegar, and vice versa. The above four can be distinguished without leaving the kitchen.
1. Smell the taste, white vinegar has a pungent smell.
2. Wet it with a cotton swab, and what can be ignited is the mold alcohol. The opposite is white vinegar. >>>More
(1) The smell of a substance belongs to the physical properties of a substance; >>>More
1, since it is a kitchen thing, it must be edible,,, taste can be distinguished by tasting the taste 2, there must be vinegar in the kitchen,,, use vinegar to identify, vinegar can react with soda ash to produce bubbles 3, by virtue of the outside, salt is white crystals, a grain of ,,, and soda ash is like flour 4, solubility, in a room temperature environment,,, soda ash solubility is much smaller than salt, dissolve with water respectively, to see who dissolves less is soda ash.
Method 1: Take a small amount of solid to taste, sweet for sucrose, salty for salt; Method 2: Take a small amount of solid to dissolve in water respectively, measure its conductivity, the conductive is table salt, and the non-conductive is sucrose