Which Freezes first hot or cold water?

This is one of those questions that are continued to be debated on. The reason seems to be that it will depend on several factors.

What if the water is boiled first?

Does the type of container used make a difference, e.g., metal or Styrofoam, plastic etc.

Does the amount of water exposed to air make a difference?

What effect do various solutes have?

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