Question

what happen when sodium metal is dropped in water

Answer 1

hi friend,
when sodium metal is dropped in water, then hydrogen gas Wii be liberated and the reaction is exothermic reaction :)
thank u

Answer 2

(i) When sodium metal is dropped in water, hydrogen gas in liberated. Due to extreme heat released as the reaction is exothermic, H2 gas catches fire.
2Na + 2H2O ------>2NaOH + H2

Hope it helps u