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GK QUESTION#3309

Among the following chemical elements, which one belongs to the group of alkali metals in the periodic table?

  1. ACalcium
  2. BPotassiumCorrect answer
  3. CAluminium
  4. DZinc
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Answer

B. Potassium

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Explanation

Potassium is a Group 1 alkali metal. Calcium is an alkaline earth metal in Group 2, aluminium is in Group 13 and zinc is in Group 12. Thus potassium is the only alkali metal among the choices.

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