Question

why should we not throw small pieces of sodium into a laboratory sink ?​

Answer 1

because sodium is very reactive metal and it can also react with water to form hydrogen gas and release a large amount of heat so to avoid explosion we should not throw small pieces of sodium into laboratory Sink

hope you get it

if you have any doubt then ask me in the comment section

thank you for asking the question

Answer 2

Sodium is present at the top of activity series and hence is highly reactive

Its reaction with air or water can lead to huge explosions