Chemistry - PERIODIC TABLE Question with Solution | TestHub

$\mathrm{A},\mathrm{B}$ and C are hydroxide of the elements $\mathrm{X},\mathrm{Y}$ and Z respectively. $\mathrm{X},\mathrm{Y}$ and Z are in the same period of the periodic table. 'A' give an aqueous solution of pH less than seven. B reacts with both strong acid and strong alkali. C gives an aqueous solution which is strongly alkaline. Which of the following statements is/are true?