What is the Difference Between Molten and Liquid?

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The main difference between molten and liquid states lies in their formation and the temperature at which they exist.

  • Molten: Molten substances are formed when a solid substance is heated to its melting point, transitioning from a solid to a liquid state. These substances typically exist as solids at room temperature but become liquid when heated. Examples of molten substances include molten salt and molten lead(II) bromide.
  • Liquid: Liquid substances already exist in the liquid state at room temperature. They have a fixed boiling point, at which they transform into a gas. Examples of liquid substances include water, alcohol, and mercury.

In summary, the key difference between molten and liquid states is that molten substances are formed from the melting of a solid substance, while liquid substances already exist in the liquid state at room temperature. It is important to use these terms correctly to communicate effectively and avoid confusion in scientific discussions.

Comparative Table: Molten vs Liquid

The terms "molten" and "liquid" are often used interchangeably, but they have different meanings. Here is a table highlighting the differences between molten and liquid:

Molten Liquid
A substance in a melted state, usually heated to a high temperature. A substance that exists as a liquid at room temperature.
Examples: Molten lead(II) bromide, molten aluminum. Examples: Liquid water, liquid mercury.
Molten substances can be solid at room temperature. Liquid substances are usually stable in their liquid state at room temperature.
Can refer to melted salts, such as sodium chloride, which becomes molten salt at high temperatures. Refers to substances in their liquid state, even at room temperature.

In summary, molten substances are in a melted state, often heated to a high temperature, and can be solid at room temperature, while liquid substances exist as liquids at room temperature.