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Standard XII
Chemistry
Groups
Choose or fin...
Question
Choose or find odd word:
Radium Thorium, Sodium, Polonium, Uranium
A
Radium
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B
Thorium
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C
Sodium
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D
Polonium
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E
Uranium
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Solution
The correct option is
A
Sodium
All except Sodium are radio-isotopes, while sodium is a metal.
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