18 questions
What is a metal alloy?
a chemical combination of metals
a physical combination of metals
one metal that is strong
none of the above
The alloy steel is made of
copper and gold
iron and tin
iron, carbon, and some other metal
brass and bronze
The yellow alloy brass is made with
copper and zinc
iron and copper
zinc and tin
bronze and steel
The alloy bronze is made with
tin and iron
brass and steel
nickel and zinc
copper and tin
Which ore comes from the mineral Sphalerite?
gold
silver
zinc
copper