Question

Alkali metals are so reactive they must be stored in oil.
Carbon dioxide is produced when alkali metal reacts with water.
Copper corrodes more speedily as compared to Iron.
Steel floats on water that is why used in ship fans.
Zinc can displace copper but can not displace iron from its solution.
which one is false

Answer 1

Answer:

the statement that copper corrodes more speedily as compared to iron is false.

Explanation:

because copper never do process of corrosion and iron is the fastest corroding metal.

Answer 2

Caesium, the most reactive metal in the periodic table, reacts extremely violently – hence why it can't be demonstrated in a classroom! This can be compared to other common metals, such as iron and copper, which produce no reaction when dropped into water.