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Four elements have been listed, out of which three are alike in some manner and one is different. Select the odd one.1. Neon2. Argon3. Helium4. Sodium |
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Answer» Correct Answer - Option 4 : Sodium The logic followed here is: Neon, Argon and Helium are the noble gases or inert gases but sodium is an alkali metal. So, Sodium is different from other. Hence, "Sodium" is the correct answer. |
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