हिंदी

Which of the following sets of atomic numbers belong to that of alkali metals? -

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प्रश्न

Which of the following sets of atomic numbers belong to that of alkali metals?

विकल्प

  • 1, 12, 30, 4, 62

  • 37, 19, 3, 55

  • 9, 17, 35, 53

  • 12, 20, 56, 88

MCQ

उत्तर

37, 19, 3, 55

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