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Because the molecule of NaOH can be recovered unchanged from the solution.

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Q: Why is sodium hydroxide dissolving in water is a physical change?
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Related questions

Sodium hydroxide dissolve in water is physical change?

Yes, dissolving sodium hydroxide in water is a physical change.


Is Sodium hydroxide dissolving in water a chemical or physical change?

physical


Is dissolving sodium carbonate a chemical change?

No, dissolving is a physical change


What type of change is sodium hydroxide dissolving into water?

it is just aphysical change..


Is physical or chemical reaction takes place when sodium hydroxide mixed with water?

It is a physical change. The sodium hydroxide dissolves, but it is still sodium hydroxide.


Is dissolving sodium chloride a physical change?

Yes


Is Sodium thiosulphate Dissolving in water physical change?

Yes. Dissolving is a physical change because it does not change the chemical composition of either the solute or the solvent.


Is dissolving sodium chloride a chemical or physical change?

The dissolution of sodium chloride is considered as a physical process.


What are the physical property uses of the compound Sodium Hydroxide?

Sodium Hydroxide is commonly used in cleaning agents in dish liquid soap, and as a drain un-clogger, as it is strong with dissolving things.


Is the dissolving salt in water a chemical or physical change?

It is a chemical change because of sodium and hydrogen bonds forming


Is dissolving salt in water chemical or physical change?

Dissolving salt in water is an example of a physical change. Although the ions of sodium and chlorine separate when the salt dissolves, no chemical reaction takes place.


Is dissolving salt in water a chemical change or physical change?

This is a physical process, but sodium and chloride ions ar formed.