Elbit reacted magnesium metal and dilute hydrochloric acid to produce gas x. when this gas was reacted with triiron tetra oxide, a colorless vapor y and metal z were produced that Elbit was not aware of. a) As a s.3 chemistry student, help Elbit to identify gas x, colorless vapor y and metal z, let him know how you identified x and y using the necessary tests (score 5)​