Question

Some metals are given in the bracket

( Sodium, Potassium, Calcium, Copper)

a) Which metal does not react with water to form hydrogen ?

b) What are products formed when sodium reacts with water?​

Answer 1

Answer:

a) Copper does not react with water to form hydrogen.

b) It form Sodium Hydroxide.

Answer 2

a) according to the Reactive series , copper is less reactive so ,it can not form hydrogen

Explanation:

b) Na + H2o -----> NaoH + H2