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Why is water or alcohol or acid have a lower meniscus while mercury have an upper meniscus?
Surface tension will attract the water solution to the molecules of the container thus lifting it up on the edges. Mercury, being much more dense has no such attraction because it is a liquid metal.
Answer:It is due to what is called cohesion and adhesion. The water molecules are attracted to each other through cohesion, which is the attraction between similar particles (by polarity). Adhesion is attraction between unlike molecules. When water is placed in a glass container, the forces of adhesion overcome the forces of cohesion, and the water climbs up the glass.Conversely, the attraction between mercury atoms (cohesion) is stronger than its attraction to the glass (adhesion). Therefore, the atoms pull together and away from the glass.
What else can I help you with?
Law of lower and upper meniscus levels in determining liquid solution?
In measuring liquids using graduated cylinder, there are two things to consider. 1.) CLEAR LIQUID and 2.) COLORED LIQUID (as we may say) In identifying the volume of CLEAR LIQUID (e.g. plain water, oil, alcohol, etc.), THE LOWER MENISCUS is read. For the COLORED LIQUID (e.g. soy sauce, ketchup, etc. ) the upper meniscus is get, since there is only one meniscus there.. (meaning there is no upper & lower meniscus.)
Why do we use the lower meniscus to read the clear liquid and upper meniscus to read the colored liquid?
If the colored liquid is opaque (you can't see through it) you can't see the bottom of the meniscus. If the liquid is like mercury, you can't see through it but it doesn't make any difference because the meniscus is reverse from that of water. You read the top.
Which meniscus of acid hematin is considered for taking reading?
lower meniscus of acid hematin is considered while taking reading
State two types of meniscus shape?
The two types of meniscus shape are concave and convex. Concave meniscus has a curved surface where the edges dip below the center, like in a test tube. Convex meniscus has a curved surface where the edges rise above the center, like in a droplet of water on a surface.
Which meniscus of acid hematin is considered while taking a reading and why?
The upper meniscus of the acid hematin is considered when taking a reading because it represents the true volume of the sample. The meniscus is the curve at the surface of a liquid caused by surface tension, and in this case, the upper meniscus accounts for any excess liquid or bubbles that may be present on the surface.
What is difference between lower and upper meniscus?
The lower meniscus refers to the curved surface of a liquid in a container that dips downward at the edges, commonly observed in liquids like water, where the adhesive forces between the liquid and the container's surface are stronger than the cohesive forces within the liquid. In contrast, the upper meniscus occurs when the liquid surface curves upward, as seen in mercury, where cohesive forces dominate, creating a convex shape. The lower meniscus is typically used for measuring liquids in graduated cylinders, while the upper meniscus is relevant in contexts involving mercury or similar liquids.
Law of lower and upper meniscus levels in determining liquid solution?
In measuring liquids using graduated cylinder, there are two things to consider. 1.) CLEAR LIQUID and 2.) COLORED LIQUID (as we may say) In identifying the volume of CLEAR LIQUID (e.g. plain water, oil, alcohol, etc.), THE LOWER MENISCUS is read. For the COLORED LIQUID (e.g. soy sauce, ketchup, etc. ) the upper meniscus is get, since there is only one meniscus there.. (meaning there is no upper & lower meniscus.)
Why do we use the lower meniscus to read the clear liquid and upper meniscus to read the colored liquid?
If the colored liquid is opaque (you can't see through it) you can't see the bottom of the meniscus. If the liquid is like mercury, you can't see through it but it doesn't make any difference because the meniscus is reverse from that of water. You read the top.
What meniscus is being read if you measuring the volume of dark colored liquids?
1.read the bottom of the curve 2. you must read the meniscus at eye level
What are the two liquids that show upper meniscus?
Mercury and water are two liquids that show an upper meniscus when measured in a graduated cylinder or other narrow container. This means that the liquid forms a concave shape at the surface where it meets the container's walls.
Which is the only liquid which is measured from an upper miniscus?
Mercury is the only liquid that is commonly measured using the upper meniscus. This is due to its unique properties, such as high density and low surface tension, that cause it to form a convex meniscus rather than a concave one like most other liquids.
Which meniscus of acid hematin is considered for taking reading?
lower meniscus of acid hematin is considered while taking reading
State two types of meniscus shape?
The two types of meniscus shape are concave and convex. Concave meniscus has a curved surface where the edges dip below the center, like in a test tube. Convex meniscus has a curved surface where the edges rise above the center, like in a droplet of water on a surface.
What is the upper surface of a liquid called?
A meniscus.
What is the curved upper surface of a liquid called?
A meniscus.
What is the name given to the curved upper surface of a liquid?
Meniscus
When measuring out a liquid in a graduate th upper surface of the liquid is called?
The upper surface of the liquid in a graduated cylinder is called the meniscus. It appears curved due to surface tension, and the measurement should be read at the bottom of the meniscus for an accurate volume reading.
