Unit 2 Common School Assessment
S8P1 a.
1. Steel is a metal that is made from iron and carbon. During the steel making process, iron and carbon are
melted, blended together, and then allowed to harden into a solid. The iron and carbon do not chemically
react with each other. After steel was made, 20 samples were taken from one piece and tested. Each sample
contained 98% iron and 2% carbon.
Which of the following terms best describes steel?
A. element
B. compound
C. homogeneous mixture
D.heterogeneous mixture