Acetic acid is an indispensable item in the kitchen. It is used in everyday food preparation as well as for marinades and other delicious things. Some housewives use it to descale appliances and for other household purposes. Recognizing acetic acid is very simple, and you won't be able to confuse it.
Instructions
Step 1
Smell is the characteristic difference between acetic acid. He is very sharp and shies in the nose. Do not sniff a bottle of concentrated vinegar close, bring it 10-15 cm from your nose. If you sniff closely, the fumes from the liquid can burn the airways and there will be a lot of problems. Try not to drip on the skin of your hands - it will burn.
Step 2
Acetic acid burns. Pour some liquid into a small plate and bring up a match, but be careful, you may burn yourself. Burning is about the same as that of regular alcohol. As it evaporates, it stops. If the fire does not occur, you have either apple cider vinegar, or some other liquid, or diluted acid.
Step 3
The characteristic sour taste speaks for itself. But don't try the acid directly from the bottle, you can severely burn your esophagus. Pour a teaspoon into a glass and dilute with at least 20 parts with clean water. Then you can try, you should feel a sour taste and a harsh smell. Diluted, it is used to prepare various sauces.
Step 4
Unfortunately, at home, no experiments can be carried out for a more accurate determination of the substance. Therefore, leave other experiments for professional laboratory technicians. And, of course, do not take the substance internally if you are in doubt about something. Acetic acid is very cheap, so it's better to buy a new one than you will get poisoned by an incomprehensible composition.