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Is melting gold a physical or a chemical change?
Physical.
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.
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.
Why melting and boiling points are physical properties of gold?
Because gold melted or boiled remain gold, any chemical transformation occur.
What do physical properties have in common the length of a snake the melting point of gold and the volume of lemonade?
They are measurable.
Is melting a sample of gold an example of a physical or chemical change?
Melting a sample of gold is an example of a physical change.
Is melting gold a physical or a chemical change?
Physical.
Is melting gold and puting it in a mold a chemical change?
Melting is a physical process.
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 and pouring it into a mold a chemical change?
Melting gold and pouring it into a mold is a physical change, not a chemical change. The gold's chemical composition remains the same throughout the process.
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.
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.
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.
Why melting and boiling points are physical properties of gold?
Because gold melted or boiled remain gold, any chemical transformation occur.
When gold changes from a solid to a liquid is that a physical or chemical change?
The change from a solid to a liquid is a physical change, as the substance's chemical composition remains the same. Physical changes affect the state or form of matter without altering its chemical composition.
Is hammering gold into foil a physical or chemical?
physical
Can gold be seperated into simpler substances only by chemical means?
Yes, gold can only be separated into simpler substances by chemical means. This typically involves using chemical reactions to break down the gold into its constituent elements or compounds. Physical methods, such as melting or crushing, will not separate gold into simpler substances.
