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Rose metal is an alloy of:
A. Tin
B. Bismuth
C. Lead
D. All of the above

Last updated date: 13th Jun 2024
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Hint: An alloy could be a combination of a metal with a minimum of one other metal or nonmetal. The mix must be a part of a solution, a compound, or a mix with another metal or nonmetal so as for it to be considered an alloy.

Complete Solution :
Alloys of metal are used because they generally have enhanced chemical or mechanical properties. Alloying elements will be added to a metal to extend a variety of properties including hardness, strength, corrosion resistance, machinability, and far more.
- Alloys are the most important material throughout the metal working industry that there are too many to list. Forged iron is an alloy of iron and carbon, with even higher amounts of carbon than steel.
- Aluminum is commonly alloyed with other elements yet, giving it the attributes required for the required application. for instance, aluminum 6061 and 2024 have high additions of manganese or copper, respectively.
- Alloys can even be extremely complex. Austenitic stainless steels, like Grade 316, are a synthesis of iron, chromium, nickel, and a few other metals and nonmetals. Bronze (which itself is an alloy of copper and tin) is usually further alloyed with elements like aluminum. Grade C954 is an example of an aluminium bronze alloy. The foremost common thing to combine metals into an alloy is by melting them, mixing them together, then allowing them to solidify and settling back to temperature.
- Tool steels like D2 are mostly made from iron, but have many alternative additions of other metals and nonmetals like chromium, vanadium, manganese, silicon, and carbon, counting on the required mechanical properties.
- Rose's metal is composed of 50% bismuth, 25–28% lead and 22–25% tin. Its melting point lies between ${{94}^{0}}C$ and ${{98}^{0}}C$ (${{201}^{0}}F$ and ${{208}^{0}}F$).
So, the correct answer is “Option D”.

Note: The alloy rose metal does not appreciably contract or expand on solidification, this characteristic is because of its bismuth percentage.