CompTIA Exam Questions

Which of the following substances are restricted under Restriction of Hazardous Substances (RoHS)?

Which of the following substances are restricted under Restriction of Hazardous Substances (RoHS)?
Each correct Answer represents a complete solution. Choose all that apply.

A.
Mercury (Hg)

B.
Lead (Pb)

C.
Iron (Fe)

D.
Cadmium (Cd)

Explanation:

The following substances are restricted under Restriction of Hazardous Substances (RoHS):
Lead (Pb)
Mercury (Hg)
Cadmium (Cd)
Hexavalent chromium (CrVI)

Polybrominated biphenyls (PBB)
Polybrominated diphenyl ethers (PBDE)
Answer option C is incorrect. Iron (Fe) is not restricted under RoHS.
Reference: “http://www.rohscompliancedefinition.com/”