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The name ‘rare earth elements’ is used for ………….. (A) lanthanides only (B) actinides only (C) both lanthanides and actinides (D) alkaline earth metals |
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Answer» Correct option is: (C) both lanthanides and actinides f-block elements (both Lanthanides and actinides) are also called rare earth elements. (C) both lanthanides and actinides |
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