Physics · Fluid Mechanics
An egg sinks in pure fresh water but floats in a concentrated solution of salt water. Why does this happen?
- 1The surface tension of salt water is higher than fresh water.
- 2The density of the salt solution becomes greater than the density of the egg.✓
- 3The egg absorbs salt from the solution and expands.
- 4Egg albumin dissolves in salt solution and makes it lighter.
Correct answer
The density of the salt solution becomes greater than the density of the egg.
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