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2.3 Chemical Properties and Reactions

Draw a Conclusion

Thinking Strategy
First find the row that gives information about the composition of steel. Then compare the two types of steel to see how they are alike.

Sample Question

In terms of their composition, what do low-alloy and high-alloy steels have in common?

A. Both contain chromium.
B. Both contain iron and carbon.
C. Both contain more than 5 percent of metals other than iron.
D. Both contain less than 5 percent of metals other than iron.

The correct answer is B. Both contain iron and carbon. According to the chart, both low-alloy steel and high-alloy steel contain iron and carbon.