Question

which has produced when dilute hydrochloric acid is added to a reactive metal ?

Answer 1

2HCl + 2K -----> 2KCl + H2

if HCl reacts with any reactive metal a salt of the reactive metal and hydrogen gas is produced

Answer 2

${\huge{\mathfrak{Answer:-}}}$

$<b><u>$Hydrogen gas is evolved when dilute hydrochloric acid is added to a reactive metal.

When iron reacts with dilute H2SO4, iron

(II) sulphate with the evolution of hydrogen gas is formed.