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Alcohol - Slideshow

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What is alcohol?

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What is alcohol?, Alcohol
» Chemically, an alcohol is an organic compound in which a hydroxyl functional group is bound to a carbon atom; the total being bound to more hydrogen or carbon atoms.

» There are different kinds of alcohols, each varying in properties, usage and toxicity.

Types of alcohol

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Types of alcohol, Alcohol
» The most well-known type of alcohol is ethanol, used for alcoholic beverages.

» Methanol, the simplest form of alcohol, is used as a solvent fuel.

» There are also propanol and butanol used for industrial purposes.

» There are, of course, more complex forms of alcohol which have diverse industrial uses.

Ethanol

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Ethanol , Alcohol
» Ethanol, or ethyl alcohol, is colourless, volatile and inflammable.

» It has been used since time immemorial for recreational purposes. Ethanol is most popular for its use in alcoholic beverages.

» Ethanol is also used in thermometers, as antiseptic, as fuel and as a solvent for flavourings, perfumes, medicines and colourings.

Methanol

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Methanol, Alcohol
» Methanol, or methyl alcohol, is the simplest form of alcohol.

» Like ethanol, it is colourless, volatile and inflammable.

» Methanol is popular as fuel, antifreeze (used especially for internal combustion engines), as solvent and in the production of biodiesel.

» As opposed to ethanol, methanol is highly toxic and can cause permanent blindness. In such cases, ethanol can be used as a primary antidote.

Other uses of alcohol

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Other uses of alcohol, Alcohol
» Alcohol has traditionally been used as a preservative.

» Some alcohols (mostly ethanol and methanol) are especially used as automotive fuel.

» Ethanol (for industrial uses) is often denatured ie mixed with a toxic substance like methanol, to make it undrinkable. It is also sometimes dyed. This is done to meet the strict alcohol regulations in certain countries.

Applications of denatured alcohol

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Applications of denatured alcohol, Alcohol
» Denatured alcohol is often used as fuel and solvent. It can also be used as a cleaning aid.

» Certain consumer products, like toothpaste, hand sanitizer and mouthwashes, contain this in small quantities.

» Rubbing alcohol, used primarily for topical application, is also a type of denatured alcohol.

» It's a good disinfectant, germicide and antiseptic. Hence, the name 'surgical spirit'.

» Drinkable alcohol has also been used since prehistoric ages as an anesthetic.

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