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What else can I help you with?
What alcohol is used for washing clothing?
Alcohol is not used for clothes washing; soaps and detergents are.
Does isopropyl alcohol expire?
Rubbing alcohol is a very useful first aid product. It can be used for many different things. The shelf life of an open bottle of rubbing alcohol is usually a year, but check the use by date.
What is rubbing alcohol made out of?
Active Ingredients Ethyl Alcohol by Volume 70% Ingredients Denatonium Benzoate , Methyl Isobutyl Ketone , Water The ingredients will be listed on the bottle. There are two standard kinds of rubbing alcohol: (1) one made with isopropryl alcohol, which has a certain toxicity but is more pleasant or neutral smelling; and (2) one made with ethyl alcohol with an added denaturing agent to make it inedible. The ethyl alcohol (ethanol) variety has a bitter or sour or unpleasant smell, and is therefore much less popular than the isopropryl alcohol variety. This is why even though the pharmaceutical definition for "rubbing alcohol" is denatured ethyl alcohol, isopropryl alcohol is far more available commercially and is also labeled as "rubbing" alcohol. The uses of both varieties are the same, although isopropryl alcohol, because of its inherant toxicity, carries warnings about overuse and safe handling. According to Wikipedia.org1: Common, over the counter "Rubbing Alcohol" in pads or in fluid form is generally 60-70% solution of isopropanol in water. Although Isopropanol is sometimes sold as "Isopropyl Rubbing Alcohol, 70%" and "Isopropyl Rubbing Alcohol, 99%" (harder to find but generally more useful for experimenters & cleaning uses), there is no isopropyl alcohol in the United States Pharmacopeia formula for Rubbing alcohol, U.S.P.. It is used as a disinfectant, and is a common solvent.
What chemical in rubbing alcohol doesn't freeze?
Isopropyl alcohol is the chemical in rubbing alcohol that doesn't freeze easily. It has a freezing point of -128.2 degrees Fahrenheit (-89 degrees Celsius), making it useful for cold weather applications.
Will rubbing alcohol damage gold or diamonds?
There are two distinct types of rubbing alcohol readily available in USA pharmacies. One is isopropanol-based (usually 70% or 91% isopropanol in water), while the other is ethanol (drinking alcohol) based (usually 70% ethanol plus denaturants in water). Neither of these alcohol solutions will dissolve or damage elemental gold or elemental carbon in the form of diamond. In fact, either of these alcohol solutions would be useful in cleaning gold and diamond jewelry. Please note: all rubbing alcohols, even if derived from drinking alcohol, are poisonous and should never be consumed (they're okay when applied to the skin). Isopropanol is inherently poisonous, while poisons (denaturants, such as gasoline or wood alcohol) are intentionally added to rubbing ethanol to prevent use in beverages.
Does brakes on a bicycle have a lot of friction or not much and is it useful or not useful?
Brakes are meant to have a lot of friction and it's useful.
Where was rubbing alcohol invented?
According to someone named Jerry who wrote a household hints book I once had, isopropyl alcohol was invented by scientists at the Standard Oil Company in Linden, NJ in 1920. They were trying to invent useful substances from by-products of gasoline manufacturing. They did a few procedures with propylene gas and out came isopropyl alcohol!
What are 2 way in which friction can be useful?
Brakes, and Shoes
How is alcohol useful?
Alcohol is useful to cleanse things. Alcohol can kill bacteria. Therefore it is often used in a disinfectant. Most of the time it's 70% alcohol 30% water
Can you substitute rubbing alcohol for denatured alcohol?
In some cases mineral spirits can be substituted for Denatured Alcohol. Denatured alcohol has a high vapor pressure so it evaporates much faster that mineral spirits; typically used as stove or marine fuel. It's useful for cleaning windows, metal, and electrical components. Mineral spirits, especially odorless, has a lower vapor pressure so it's less volatile and is used as a paint thinner. It is also more on the non-polar side so it's more effective as a degreaser and will clean grease and grime more aggressively.
2 examples where friction is useful?
Wooden match and car brakes
What part of a bicycle is a useful friction?
The brakes! And the tires (no friction = no traction).
