Chemistry
Grade-7
Easy
Question
Purpose of making alloys:
- To increase resistance to electricity
- To increase hardness
- To lower the melting point
- All the above
Hint:
We know that metals are made up of rigid solid, which is flexible, malleable, and lustrous. They are an excellent conductor of electricity and thermal conductivity.
The correct answer is: All the above
Purpose of making alloys:
To lower the melting point, increase hardness, and increase resistance to electricity.
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