Q.

'Monazite' is an ore of -

A. Sodium
B. Titaniurm
C. Thorium
D. Zirconium
Answer» C. Thorium
Explanation: Monazite is an important ore for thorium, lanthanum, and cerium. It is often found in placer deposits. India, Madagascar, and South Africa have large deposits of monazite sands.
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