Reactivity Of Metals

Question 1

How reactive are magnesium, aluminium, zinc, iron, copper with dilute HCl?

Answer 1

Magnesium - loud squeaky pop
Aluminium -fair squeaky pop
Zinc - quiet squeaky pop
Iron - very quiet squeaky pop 
Copper - no pop

Question 2

What will happen to really reactive substances?

Answer 2

React faster
Fizz vigorously
-amount of bubble show rate of reaction

Question 3

What will happen to less reactive metals?

Answer 3

Bubble

Not react at all eg copper

Question 4

How does showing the reactivity with metal and water work?

Answer 4

Metal + water -> metal hydroxide + hydrogen

1) reactive metals will reactive vigorously
2) non reactive metals will not react much
3) copper wont react