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Science TNSB Mentoring
Class 10 Crash course
Periodic classification of elements
Metallurgy and alloys
1.
Physical properties and uses of copper
Question:
2
m.
Choose the correct answer:
1.
What is the melting point of copper?
\(962\)°C
\(1085\)°C
\(1356\)°C
\(1538\)°C
2.
Copper is alloyed with gold and silver to make:
Coins and jewelry
Roofing sheets
Kitchen utensils
Electrical wires
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