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Question

Alcohol is used in manometer because


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Solution

Alcohol:

  1. Any class of organic compounds that include one or more hydroxyl (OH) groups linked to an alkyl group's carbon atom is considered as alcohol.
  2. Alcohols have no colour.
  3. Alcohols have a sweet odour except few.
  4. They have a blue flame and are combustible. They don't emit any smoke when they're burning.
  5. At room temperature, they are usually liquid. Despite the fact that glycerol is a viscous liquid when compared to other hydrocarbons, they often have greater boiling points.
  6. They are utilized in the manometer because it is a low-density liquid. Low-density liquids can be used to regulate and improve the deflections of the manometer.
  7. In the inclined tube, alcohol has an adequate and very visible meniscus. It also has a low density, allowing for a greater pressure difference length. As a result, precision is achieved.

Therefore, alcohols are used in manometers because of their low density.


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