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in Physics by (31.5k points)
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Lanthanoid compound which is used as a most powerful liquid lasers after dissolving it in selenium oxychloride is 

(a) ceric sulphate 

(b) promethium sulphate 

(c) cerium oxide 

(d) neodymium oxide

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1 Answer

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by (31.0k points)

Answer is (d) neodymium oxide

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