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You can't change "yellow" gold to white gold. White gold is an alloy of gold that contains gold and another metal, often nickel, platinum or palladium. To make white gold, you have to first melt down gold, melt down your other metal and mix them in an alloy.
I assume you are asking this for one of two reasons. First, because you have a yellow gold ring that you would like to make into a white gold ring. The answer to that is, no, you really can't do that. Liquid gold is molten, meaning that it is heated to a high enough temperature that it melts. Dipping a ring into molten gold would make it melt, too. Maybe not completely melt down into a puddle, but you would certainly lose any detail in the ring's design. The second reason you might be asking is because you have a "white gold" ring that has a golden yellow core, like yellow gold that has been dipped into white gold. This, unfortunately, is merely a brass ring (the yellow part) that has been plated with a white metal, perhaps white gold, but more likely some kind of whitish silvery base metal.
No, thousands of degrees of heat are required to melt gold. A regular stovetop cannot melt gold. Gold melts at about 1064 degrees Celsius (1948 Fahrenheit). While a regular stovetop won't get that hot, there are tabletop smelters that will go above two thousand degrees Fahrenheit. Part of the issue is that gold can be softened at temperatures quite a bit lower than it's melting point, similar to butter, but not really. So mostly it depends what you're trying to do.
Yes they do.
no but it will melt.
Partial melt. Some crystals will melt at lower temperatures then others, so during a given temperature range, only a part of the crystals in a rock will be molten.
Yes, people melt at extreme temperatures
Yes it can be mixed but can give a different result, but can be creative and something new. You can melt both the stuff, add some more to give it a blend.
You can't change "yellow" gold to white gold. White gold is an alloy of gold that contains gold and another metal, often nickel, platinum or palladium. To make white gold, you have to first melt down gold, melt down your other metal and mix them in an alloy.
Yes, though they melt at different temperatures.
well it does
Miners do not and are not allowed to melt gold into money.
I assume you are asking this for one of two reasons. First, because you have a yellow gold ring that you would like to make into a white gold ring. The answer to that is, no, you really can't do that. Liquid gold is molten, meaning that it is heated to a high enough temperature that it melts. Dipping a ring into molten gold would make it melt, too. Maybe not completely melt down into a puddle, but you would certainly lose any detail in the ring's design. The second reason you might be asking is because you have a "white gold" ring that has a golden yellow core, like yellow gold that has been dipped into white gold. This, unfortunately, is merely a brass ring (the yellow part) that has been plated with a white metal, perhaps white gold, but more likely some kind of whitish silvery base metal.
Salt cubes will also melt at temperatures of -38
No. The only thing that can actually melt iron is high temperatures.
No, thousands of degrees of heat are required to melt gold. A regular stovetop cannot melt gold. Gold melts at about 1064 degrees Celsius (1948 Fahrenheit). While a regular stovetop won't get that hot, there are tabletop smelters that will go above two thousand degrees Fahrenheit. Part of the issue is that gold can be softened at temperatures quite a bit lower than it's melting point, similar to butter, but not really. So mostly it depends what you're trying to do.
Conventional ovens do not reach the temperatures necessary to melt pennies.