An egg shell sinks in fresh water but floats in strong solution of salt. Why?

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Solution

The density of salt water is more than that of fresh water which results in more buoyancy.
This is the reason why an egg shell floats in salt water but sinks in fresh water.

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Explain the following :
(a) Icebergs floating in sea are dangerous for ships.
(b) An egg sinks in fresh water, but floats in a strong salt solution.
(c) A toy balloon filled with hydrogen rises to the ceiling, but if filled with carbon dioxide sinks to the floor.
(d) As a ship in harbour is being unloaded, it slowly rises higher in water.
(e) A balloon filled with hydrogen rises to a certain height and then stops rising further.
(f) A ship submerges more as it sails from sea water to river water.

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An egg shell sinks in fresh water but floats in strong solution of salt. Why?

The density of salt water is more than that of fresh water which results in more buoyancy.This is the reason why an egg shell floats in salt water but sinks in fresh water.

The density of salt water is more than that of fresh water which results in more buoyancy.
This is the reason why an egg shell floats in salt water but sinks in fresh water.