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NTA Abhyas JEE Main2020ChemistryGeneral Principles and Processes of Isolation of MetalsPractice

How many of the following clements exclusively occur in combined state? Gold, iron, zinc, aluminium, platinum, sodium, magnesium

Correct answer

5

Step-by-step solution

Gold and platinum occur in the free state while iron, zinc, aluminium, sodium and magnesium occur in combined state.

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