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| Q. |
The inert gas abundantly found in widely distributed is - |
| A. | Xe |
| B. | Kr |
| C. | He |
| D. | Ar |
| Answer» D. Ar | |
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Explanation: Argon (Ar) is the most prevalent of the noble gases in Earth's crust with the element composing 0.00015% of this crust. |
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