Question

6. When zinc pieces are added to dil HCl, a_reaction takes place.
a) displacement b)decomposition c) combination
d) double displacement

Answer 1

$\HUGE\RED{DISPLACEMENT}$

as the zn will isplace the hydrogen from hcl

Answer 2

Small bubbles of hydrogen gas appear on the surface of zinc pieces

Explanation:

This is a single displacement reaction. Zinc being more reactive than hydrogen displaces hydrogen from its solution and forms zinc chloride which is white in color and liberates hydrogen gas which is a odorless gas.

Here zinc gets oxidized to and in gets reduced to form hydrogen gas.

.

.

.

plzz mark it as the brainiest answer!!!