Four distinct metals are each reacted with the same volume of dilute hydrochloric acid. The table gives the effervescence rate for every metal. What is the reactivity order of the four metals, beginning with the most reactive?
- Airon → magnesium → calcium → copper
- Bmagnesium → calcium → copper → iron
- Ccopper → iron → magnesium → calcium
- Dcalcium → magnesium → iron → copper