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प्रश्न
Which of the following noble gas is used supersonic wind tunnels?
पर्याय
Argon
Helium
Krypton
Neon
MCQ
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उत्तर
Helium
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Compounds of Xenon
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
Which of the following noble gas is used supersonic wind tunnels?
Argon
Helium
Krypton
Neon
Helium