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A metal M readily forms its sulphate MSO ₄ which is water - soluble. It forms its oxide MO which becomes inert on heating. It forms an insoluble hydroxide M ( OH )₂ which is soluble in NaOH solution. Then M is

Options

  1. AMg
  2. BBa
  3. CCa
  4. DBe

Correct answer

D. Be

Step-by-step solution

Beryllium shows anomalous properties due to its small size

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