What are formalin and denatured alcohol ?
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Alcohol is denatured by the addition of other chemicals to make it unsuitable for human consumption. Other substances may have been added to alcohol solutions in an attempt to enhance their utility as preservatives. The most common additives are glycerin, acetic acid, and formaldehyde.
gujjar10:
ohk dear
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the most common additives are glycerine,; acetic and formaldehyde
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