Question

A student added dilute HCI

to a test tube containing zinc

granules and made following

observations :-

(a)The zinc surface became dull

and black

(b)A gas evolved which burnt with

a pop sound(c)The solution

remained colorless

(d)The solution becomes green in

color​

Answer 1

Answer:

I, II and III

Explanation:

Zn+2HCl→ZnCl2+ H2

Zinc surface become dull and black due to formation of ZnCl2

H2 gas evolved which burnt with a pop sound.

Solution remained colourless.

All statements are correct