Most of us know the ordinary table salt as a very innocent material and one of essential nutrients enriching the taste of most foods. However, it is also a chemical, which obeys to all the laws of chemistry and physics.
Due to its unique properties, the table salt (or sodium chloride) has multiple uses in industry, where it is consumed in massive quantities. It can be used to soften water, de-ice roads, fight fires, store energy, clean household surfaces, and it is also the basis of medical saline solutions and can be an effective component used to control infections – these are just several outstanding applications for this common everyday material.
Like many other substances, table salt also melts and becomes liquid. It’s melting point is at 800.7 °C (1,473.3 °F). Then this ‘regular’ substance becomes quite dangerous: in the molten state, you should never pour table salt into water. Why? Watch the following video for an explanation accompanied by equally impressive practical demonstration:
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