Respuesta :
A graduated cylinder also known as measuring cylinder is commonly used in laboratories to measure the volume of liquids. When a liquid is poured into the cylinder it forms a concave meniscus. The reading is measured by observing the value at the lower end of the meniscus. Graduated cylinder can only be used for liquids.
Graduated cylinder can also be used to find the volume of a solid through a method known as water displacement. When a solid is immersed in the water, the water level rises. The volume of the solid is equal to the change in the level of water.
Therefore, the correct statements are:
a.The liquid in the cylinder normally forms a concave meniscus.
c.Measurement is taken at the bottom of the meniscus.
e.A graduated cylinder can be used to measure the volume of an irregular solid.
Graduated cylinder can also be used to find the volume of a solid through a method known as water displacement. When a solid is immersed in the water, the water level rises. The volume of the solid is equal to the change in the level of water.
Therefore, the correct statements are:
a.The liquid in the cylinder normally forms a concave meniscus.
c.Measurement is taken at the bottom of the meniscus.
e.A graduated cylinder can be used to measure the volume of an irregular solid.
The statement that best describe measuring with a graduated cylinder include option A,C and E. The precautions that must be followed is further explained below.
What is a measuring cylinder?
A measuring cylinder is a graduated instrument that is used to measure the volume of a liquid or an irregular solid using displaced methods.
The guidelines that best describe measuring with a graduated cylinder include the following:
- The liquid in the cylinder normally forms a concave meniscus. That is option A.
- Measurement is taken at the bottom of the meniscus. That is option C.
- A graduated cylinder can be used to measure the volume of an irregular solid. That is option E.
Liquids such as water forms a concave meniscus because the molecule of liquid are attracted to those of the container.
Since the shape of the meniscus curves inside, the measurement should be taken at the button of the meniscus to avoid errors.
Therefore, measuring cylinder is a graduated instrument that is used to measure the volume of a liquid or an irregular solid using displaced methods.
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