See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

Cheralite -   4 2 CaTh PO Monazite – (Phosphates & Silicates of – Ce, La, Nd and Th. Thorite – Silicates of Th and U Carnotite -    2 2 4 2 2 2 K UO VO .3H O Samarskite- (Y) – Oxide of Y, Fe, U, Th, Ca, Nb and Ta SECTION – B