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प्रश्न
Which among the following gases is used to produce and sustain powerful super conducting magnets for NMR and MRI systems?
विकल्प
Kr
Ar
He
Ne
MCQ
उत्तर
He
Explanation:
He gas is used to produce & sustain powerful superconducting magnets for NMR & MRI systems.
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Chemical Properties of Elements of Groups 16, 17 and 18
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