Which of the following elements liberate H_2 | vedclass

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(D) Elements that are amphoteric in nature react with strong bases like $NaOH$ to liberate $H_2$ gas.$Be + 2NaOH 	o Na_2BeO_2 + H_2$$2Al + 2NaOH + 6H

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All of these

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(D) Elements that are amphoteric in nature react with strong bases like $NaOH$ to liberate $H_2$ gas.$Be + 2NaOH 	o Na_2BeO_2 + H_2$$2Al + 2NaOH + 6H_2O 	o 2Na[Al(OH)_4] + 3H_2$$Sn + 2NaOH + H_2O 	o Na_2SnO_3 + 2H_2$Since $Be$,$Al$,and $Sn$ are all amphoteric,they all liberate $H_2$ gas upon reaction with $NaOH$.

Which of the following elements liberate $H_2$ gas on reaction with $NaOH$?

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