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Is melting gold and pulls it into a wire physical or chemical?
These are physical changes.
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 a physical or a chemical change?
Physical.
Are reversible changes and physical changes the same?
Reversible changes and physical changes are not exactly the same. Reversible changes can be undone and the original substance can be recovered, while physical changes alter the appearance or state of a substance without changing its chemical composition. Physical changes are usually reversible, but not all reversible changes are physical changes.
Changes in properties of matter are called?
physical or chemical changes
Is melting gold and pulls it into a wire physical or chemical?
These are physical changes.
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 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.
Forming a bar of gold into wire chemical or physical?
When a gold bar is shaped into a wire, the gold's chemical properties do not change. Only the physical appearance changes when gold is changed in shape. Thus, this is an example of a physical change.
Is pouring molten gold into a mold a physical change?
Yes. Gold would have to bond with something for it to be a chemical change.
Are state changes chemical or physical changes?
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.
A piece of solid gold that changes from a solid to a liquid is a physical or chemical change?
The change from solid gold to liquid gold is a physical change because it does not alter the chemical composition of the gold. The transition from solid to liquid is a result of a change in temperature and does not involve any chemical reactions.
Is turning a penny gold a chemical or physical reaction?
Turning a penny gold is a physical reaction rather than a chemical reaction. This process involves coating the penny with a layer of gold, which changes its appearance but does not alter the chemical composition of the penny itself.
What is marijuana physical changes?
what is marijuana physical changes
Is melting gold a physical or a chemical change?
Physical.
What are the chemical and physical changes of photosynthesis?
There are no physical changes. there are only chemical changes.
