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Melting is a physical process.
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∙ 8y ago
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Is melting gold a chemical change?
No, melting always is physical.As to the previous answer: reacting gold with an acid is not melting but oxidation.
Is melting gold a physical or a chemical change?
Physical.
Is melting gold and pouring it into a mold a chemical change?
No, that would only be a physical change.
When gold changes from a solid to a liquid is that a physical or chemical change?
It is a physical change (melting).
Is melting gold and pouring it into a molt a chemical change?
No it's not because all you are doing is melting the gold, putting in into a mold and letting it harden. It would be a chemical change if you added some other substance to it during the progress.
Is boiling gold a physical change?
Melting of gold for jewellery making is a physical change as no new substance is formed after melting. Changes in state or phase are physical changes.
When solid gold is melted does it undergo a chemical change?
No, unless it reacted with a gas in the air around it. Melting is a physical change.
Is melting gold and pulls it into a wire physical or chemical?
These are physical changes.
Why melting and boiling points are physical properties of gold?
Because gold melted or boiled remain gold, any chemical transformation occur.
Is making a ring out of a gold nugget a physical or chemical change?
There is no chemical change necessary to form a gold nugget into a ring.
Is Pouring molten gold in a mold a physical or chemical change?
Physical
Is forming a bar of gold into wire a physical change or a chemical change?
Forming a bar of gold into wire is a physical change, not a chemical change. In this process, the gold undergoes a change in shape and physical state, but its chemical composition remains unchanged.
