Praseodymium #59

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Quiz on Praseodymium

1 / 5

What does it mean, Praseodymium?

2 / 5

Praseodymium belongs to

3 / 5

Praseodymium always occurs naturally together with the other rare-earth metals.

4 / 5

Which of the following is one of the primary source of Praseodymium?

5 / 5

Praseodymium is a component of didymium glasses. It filters out ________ light.

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