Take a beaker and pour some mercury into it. Pour some water and then some cooking oil into the beaker. Now put an iron nail, a plastic bottle cap and a piece of cork one by one in the beaker. What do you observe? Find out the reason for the same.

When mercury, water, and cooking oil are place in a beaker, and then an iron nail, a plastic bottle cap and a piece of cork are also placed in the beaker, the objects will we arranged as follows based on their density:

mercury will sink to the bottom with the nail
cooking oil, plastic bottle cap and the piece of cork will float

What is density?

Density is the ratio of the mass of an object and its volume,

The density of objects differs.

Objects that are less dense than water will float in water, whereas, objects that are denser than water will sink in water.

In conclusion, when mercury, water, and cooking oil are place in a beaker, and then an iron nail, a plastic bottle cap and a piece of cork are also placed in the beaker, the dense objects will sink while the less dense object will float.

Learn more about density at: https://brainly.com/question/1354972

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Take a beaker and pour some mercury into it. Pour some water and then some cooking oil into the beaker. Now put an iron nail, a plastic bottle cap and a piece of cork one by one in the beaker. What do you observe? Find out the reason for the same.​

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What is density?

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Take a beaker and pour some mercury into it. Pour some water and then some cooking oil into the beaker. Now put an iron nail, a plastic bottle cap and a piece of cork one by one in the beaker. What do you observe? Find out the reason for the same.