Electrolysis Practice Exam

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What is a natural magnet called?

Lodestone
Ironstone
Magnetite
Ferromagnet

The correct answer is: Lodestone

A natural magnet is referred to as lodestone. Lodestone is a naturally occurring magnetized piece of the mineral magnetite. It possesses the unique ability to attract iron and other magnetic materials due to its inherent magnetic properties. This characterization of lodestone sets it apart from other terms in the list. Ironstone, while it sounds similar, typically refers to sedimentary rock containing iron minerals and does not inherently display magnetic properties. Magnetite is the mineral from which lodestone is derived but is not exclusively a 'natural magnet' since it can be found in non-magnetic forms as well. Ferromagnet describes materials that are capable of being magnetized or which exhibit strong magnetic properties when in an external magnetic field, but it is a broader category that does not specifically point to naturally magnetized specimens. Overall, lodestone is specifically recognized for its natural magnetism, making it the correct and precise answer to the question.