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well you know its not a chemical change when you see the salt dissolving because if your were to put something else like sugar then it would be a chemical change because the sugar would just float right to the bottom and stay there but salt would go around in the water and start dissolving.

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13y ago
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14y ago

If you then evaporated the water, the salt would still form, showing that when you dissolved it, you only changed it from a solid.

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Q: How could you prove that dissolving table salt in water is a physical change or not a chemical change?
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How could you prove to someone that the dissolving was a physical to change not a chemical change?

You could separate it all out.

Is dissolving salt in water a physical or chemical change and why how could you verify your answer?

physical change- solid to solution

How could you prove to someone that the dissolving of table salt was a physical change not a chemical change?

The chemical formula of sodium chloride is not changed by dissolution.

How could you decide whether the dissolving of sugar in water is a physical or chemical change?

You can evaporate the water and recover the sugar unchanged. A chemical change means a chemical reaction has taken place and changed the substance chemically. A physical change means that a solid has become a liquid such as dissolving sugar.

Is tarnisha physical change or chemical change?

Well it could either be a physical change OR a chemical change. .

Is the dissolving of sugar in water a physical property?

No, it is a chemical change. A physical change would be for instance a wooden plank, if yoiu took that wooden plank and broke it in half it would still be a wooden plank with the same properties, the only things that changed is its shape. Your sugar in water could not be seperated back out because it has dissolved into the water and now has different properties.

Is dissolving a solid a physical or chemical change?

it depends on if the solid is also water. if they are both water then its a physical reaction because it just changes the state of matter. if the solid isn't water then its chemical because the two substances then transform into one new substance.

Is it correct to say that dissolving a packet of juice powder in water makes a new substance such as fruit punch so it must not be a physical change?

The change is a physical one because the powder is simply dissolving into the water, and it could be powdered again by removing the water again. The physical properties of the fruit punch are very different, but not a chemical change unless there is a new substance created or precipitated.

Is burning a log a example of chemical or physical changes?

Although it has physical consequences, burning a log is a chemical change. The molecules of the log react with oxygen to form carbon dioxide, water steam, and many other products. A simple, fairly reliable test to tell the difference between physical and chemical changes is: Can the process be reversed rather easily? If the answer is yes, like dissolving salt in water, it is a physical change; if no, a chemical change.

Is painting wood a phyical or chemical change?

I guess it could be chemical, but really- it's a physical change

Is Stomach acid dissolving pizza a physical or chemical change?

There are some chemical aspects:base is made from flour and yeast,so the reaction between them is a chemical change.The cooking of the pizza is also a chemical reaction, because it cannot be undone.There are also some physical aspects, e.g.Making the doughgrating the cheesemelting the cheese

Is hammering gold until it becomes flat a physical change or chemical change?

Pounding a gold coin into a different shape would probably not effect a chemical change. If, however, the pounding produced enough heat to meal the coin, some chemical change could take place.