The Process Used to Produce Metals with a Purity of More

question 48

Multiple Choice

The process used to produce metals with a purity of more than 99.99% is called

• A) zone refining.
• B) electrorefining.
• C) distillation.
• D) sublimation.
• E) alloying.

---

Definitions:

Unrelated Tasks

Tasks or activities that have no direct connection or relevance to each other.

Visuospatial Sketchpad

A component of the working memory model that processes visual and spatial information, allowing for the manipulation of images and spatial orientation in the mind.

Working Memory

A mental system tasked with the short-term retention of information for its utilization in thinking, critical for guiding both decisions and actions.

Phonological Loop

A component of working memory responsible for the temporary storage and manipulation of verbal and auditory information.