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Which of the following elements is the most reactive?

APb

BMg

CAl

DCa

Answer:

D. Ca

Read Explanation:

  • The correct answer is 'Calcium'.

  • Calcium (Ca) is the most reactive metal amongst these.

  • An element's reactivity decreases while going down the reactivity series.

  • Gold, silver and copper are the least reactive metals and they are also known as noble metals.


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