Match the compounds/elements given in Column I with uses given in Column II.
Column I (Compound/element) | Column II (Use) |
(i) Lanthanoid oxide | (a) Production of iron alloy |
(ii) Lanthanoid | (b) Television screen |
(iii)Misch metal | (c) Petroleum cracking |
(iv) Magnesiumbased alloy is constituents of | (d) Lanthanoid metal+iron |
(v) Mixed oxides of lanthanoids are employed | (e) Bullets |
(d) In X-ray screen |