(A) Alloys are metallic materials composed of two or more elements, at least one of which is a metal.
(B) Two examples of alloys are:
1. Bronze - consisting of copper and tin.
2. Stainless steel - consisting of iron, chromium, and nickel.
(C) Three reasons why alloys are preferred over constituents are:
1. Improved properties: Alloys often have enhanced mechanical, physical, and chemical properties compared to their individual constituent elements. For example, alloys can have increased strength, hardness, and corrosion resistance.
2. Customization: Alloys can be tailored to specific applications by adjusting the composition of the elements, allowing for a wide range of properties to be achieved.
3. Cost-effectiveness: Alloys can be more cost-effective than using pure metals, as they can offer improved properties at a lower cost. Additionally, using alloys can reduce the need for expensive or rare elements.
(1) What are alloy?
(B) Give two examples of alloys and state their contituents element.
(C) Give three reasons why alloys are preferred over constituents.
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