Question

When zinc filling
added to concentrated
solution
of
Sodium higdroxide balanced equation​

Answer 1

Answer:  Zn + 2NaOH -gives- Na2ZnO2 + H2

Answer 2

[tex\mathfrak\red{Answer}[/tex]

Zn+2NaOh ------->Na2Zno2 +h2

$\fbox{Sodium zincate}$

$\mathfrak\red{Explanation}$

==>Zinc reacts with hot and conc. sodium hydroxide to form sodium zincate with

the libration of hydrogen