Metal Alloys

A mixture of metals is called an ______ .

Many alloys are softer than the elements that are in them.

• True

• False

Steels are alloys of _____.

In steel, iron is mixed with small amounts of non-metal, _______ .

• Copper

• Carbon

• Diamonds

• Wood

Bronze is an alloy of copper and _____.

• Steel

• Iron

• Tin

• Carbon

Which of the following are alloys? (choose 3)

• Lead

• Bronze

• Brass

• Aluminium

• Stainless Steel

What is an alloy

• A mixture of metals and gas

• A mixture of carbon and steel

• A homogenus mixture of metals and non metals

• mixture of metals and non metals

Brass is an alloy made of

• copper and zinc

• copper and tin

• copper and nickel

• copper and aluminum

Steel generally speaking is made of

• iron and carbon

• copper and iron

• tin and carbon

• aluminum and nickel

Steel can become stainless when alloyed with _____.

• chromium and nickel

• copper and zinc

• tin and lead

• iron aand carbon