Identifying Chemical Twins (Jee Mains) | ExamDuo
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Lanthanoids & Actinoids
Medium
Identifying Chemical Twins
Which of the following is not a chemical twin?
SELECT ONE OPTION
A
Niobium and Tautalum
B
Niobium and Actinium
C
Zirconium and Hafnium
D
Molybdenum and Tungsten
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