Question

(i) The way metals like sodium, magnesium and iron react with air and water

is an indication of their relative positions in the ‘reactivity series’. Is this

statement true? Justify your answer with examples.

(ii) What will you observe when:

(a) Some zinc pieces are put in copper sulphate solution.

(b) Some silver pieces are put into green coloured ferrous sulphate solution.

(iii) Which of the following metals will melt at body temperature?

Gallium, Magnesium and Caesium.​

Answer 1

Answer:

The statement is correct because they react with air and water at different rates and in different conditions. While sodium reacts spontaneously and violently with air and cold water, magnesium reacts with air less vigorously and with water when heated.