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प्रश्न
Which of the following is a lanthanoid?
विकल्प
Lr
Eu
Pa
W
MCQ
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उत्तर
Eu
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
Which of the following is a lanthanoid?
Lr
Eu
Pa
W
Eu