• # question_answer Mark the oxide which is amphoteric in character [MP PMT 2000] A) $C{{O}_{2}}$ B) $Si{{O}_{2}}$ C) $Sn{{O}_{2}}$ D) $Ca{{O}_{{}}}$

$Sn{{O}_{2}}+2NaOH\to N{{a}_{2}}Sn{{O}_{3}}+{{H}_{2}}O$ $Sn{{O}_{2}}+4HCl\to SnC{{l}_{4}}+2{{H}_{2}}O$