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Questions and Answers
Which of the following is a purpose of making alloys?
Which of the following is a purpose of making alloys?
- To increase the melting point of a metal (correct)
- To decrease the hardness of a metal
- To decrease the density of a metal
- To decrease the electrical conductivity of a metal
Which of the following is an example of an amalgam?
Which of the following is an example of an amalgam?
- Dental fillings (correct)
- Stainless steel
- Cast iron
- Bronze
Which of the following is a component of slag?
Which of the following is a component of slag?
- Metal oxides (correct)
- Nitrogen gas
- Hydrogen gas
- Carbon dioxide
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Study Notes
Purposes of Alloys
- One of the purposes of making alloys is to combine the benefits of different metals, such as strength, corrosion resistance, and ductility.
Amalgams
- An example of an amalgam is a mixture of mercury and another metal, such as silver or gold, often used in dentistry.
Slag
- Slag is a byproduct of smelting or refining metals, and a component of it is the waste material removed from the furnace.
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