Question

A student added dilute HCl 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 colourless

(d) the solution becomes green in colour

messag e me on tele gram @itz_me_marshmello

Answer 1

Answer:

A). Zinc granules are metal and dil HCL. acid, acid reacts vigouruosuly with metals. Hence, forming a pot of ZnCl2.

B). When metal reacts with acid, Hydrogen gas ecol ves with a pop- sound. ( producing bubbles)

C). Zinc granules lose colour due to the reaction. Hence become colourless.

D). Wrong statement.

Answer 2

I don't know because I'm not a student of science