An oxide of element A was analysed and found to have mass ratio of A to oxygen equal to 7:3. Then formular of oxide can be : [Atomic mass of A = 56]

An oxide of element A was analysed and found to have mass ratio of A t

1.	An oxide of element A was analysed and found to have mass ratio of A to oxygen equal to 7:3. Then formular of oxide can be : [Atomic mass of A = 56]
Answer» `A_(2)O_(2)` `A_(2)O_(3)` AO `A_(2)O` ANSWER :B