Description : 'Monazite' is an ore of - (1) Sodium (2) Titaniurm (3) Thorium (4) Zirconium
Last Answer : (3) 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.