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The dissolution of sodium chloride is considered as a physical process.
It's physical
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No chemicals needed: just raise the temperature. Melting is never a chemical change, but purely physical!
Any chemical reaction between these compounds.
Melting is a physical process; reaction with sodium is a chemical process.
The melting of Sodium is a physical change.
chemical change
The dissolution of sodium chloride is considered as a physical process.
Yea it is a chemical change. The Sodium reacts with water in a chemical reaction in which the sodium displaces the hydrogen in the water, creating sodium oxide and hydrogen gas. The heat from the reaction ignites the hydrogen, which creates the explosion.
It's physical
That is a chemical change. You are seeing a chemical reaction, where the sodium reacts with the water, forming sodium hydroxide and hydrogen gas.
It's physical
chemical change a physical change changes the apperance chemicals changes change the substance
The chemical that reacts with vinegar is sodium bicarbonate.
No this is a chemical change- sodium reacts with chlorine gas to form sodium chloride and a lot of heat.
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