Question

When a diamond and silver are rubbed together, the diamond makes a

scratch in the silver. What does this tell you about the two substances?
A. Diamond changes the silver into something else.
B. Silver is hardhs than diamond.
C. Diamond is harder than silver.
D. Diamond and silver have the same hardness.
SUBMIT

Answer 1

C. Diamond is harder than silver.

Step-by-step explanation:

Since the diamond was able to scratch the silver, it means that the diamond has a higher hardness than the silver's hardness.