Persons preparing electrolyte should wear

The correct answer is D. all above safety devices.

Electrolytes are chemicals that conduct electricity. They are found in many products, including batteries, car batteries, and cleaning products. When preparing electrolytes, it is important to wear safety gear to protect yourself from the chemicals.

Goggles or other face shields protect your eyes from splashes of chemicals. Rubber gloves protect your hands from the chemicals and from getting burned. Rubber boots protect your feet from the chemicals and from slipping on wet surfaces.

It is important to wear all of these safety devices when preparing electrolytes to protect yourself from the chemicals.