Which of the following heavy metals are still used in germicidal preparations?Multiple select question.ZincGoldArsenicSilverMercuryCopper

Silver and Copper are still used in germicidal preparations.

1. Silver: Silver ions and silver nanoparticles are used in germicidal applications. They are incorporated into medical devices and wound dressings due to their antimicrobial properties.

2. Copper: Copper surfaces have intrinsic properties to destroy a wide range of microorganisms. In the healthcare sector, copper is often used for frequently touched surfaces to reduce the spread of germs.

Zinc, Gold, Arsenic, and Mercury are not typically used in germicidal preparations. Arsenic and Mercury are highly toxic and pose significant health risks.