Water And Milk Differentiation | Puzzle 7

Question

You have a glass of water and a glass of milk. You need to empty the two liquid into a barrel such that:

1. The two liquids (water and milk) can be differentiated
2. You are able to sperate milk and water.

Note: Any type of divider in the box is not allowed.

How would you do this?

Solution

Step 1 - Pour the water into the barrel.
Step 2 - Freeze it. 
Step 3 - Pour the milk into the barrel.

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