Solve this multiple-choice question and choose the correct option.

Minerals and ores: Monazite — identify the element for which it is an important ore. Think of rare earth/thorium-rich beach sands in India. Choose the correct element.

Difficulty: Easy

Thorium
Titanium
Zirconium
Iron

Correct Answer: Thorium

Explanation:

Given data

Ore: Monazite (phosphate of rare earths).

Concept/Approach Monazite sands are rich in rare earth elements and thorium; they are a traditional source of thorium compounds.

Final Answer Thorium

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