Question

When dilute hydrochloric acid is added to

granulated zinc placed in a test tube, the

observation made is

a) the surface of the metal turns shining

b) the reaction mixture turns milky

c) greenish yellow gas is evolved d) the colourless and odourless gas evolves with a

pop​

Answer 1

Answer:

When dilute hydrochloric acid is added to granulated zinc placed in a test tube, a colourless and odourless gas is evolved with bubbles.

The chemical reaction can be written as:

Zn + 2HCl → ZnCl 2 + H2

Answer 2

answer:(d)The colourless and odourless gas evolvea with a pop sound