Answer:
yes it is true it is gaining per second
Explanation:
Single displacement reaction is defined as the reaction in which more reactive element displaces a less reactive element from its chemical reaction. The reactivity of metal is determined by a series known as reactivity series. The metals lying above in the series are more reactive than the metals which lie below in the series
Q1- Urgent / Important
Q2- Writing a paper that is due in 3 hours
(others can wait as no serious consequences but you could fail n get bad mark if you don't complete the paper. It's a deadline issue.)
